Computers & Business Machines
Imagine the loss, 100 years from now, if museums hadn't begun preserving the artifacts of the computer age. The last few decades offer proof positive of why museums must collect continuously—to document technological and social transformations already underway.
The museum's collections contain mainframes, minicomputers, microcomputers, and handheld devices. Computers range from the pioneering ENIAC to microcomputers like the Altair and the Apple I. A Cray2 supercomputer is part of the collections, along with one of the towers of IBM's Deep Blue, the computer that defeated reigning champion Garry Kasparov in a chess match in 1997. Computer components and peripherals, games, software, manuals, and other documents are part of the collections. Some of the instruments of business include adding machines, calculators, typewriters, dictating machines, fax machines, cash registers, and photocopiers
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Morse-Vail Telegraph Key
- Description
- Alfred Vail made this key, believed to be from the first Baltimore-Washington telegraph line, as an improvement on Samuel Morse's original transmitter. Vail helped Morse develop a practical system for sending and receiving coded electrical signals over a wire, which was successfully demonstrated in 1844.
- Morse's telegraph marked the arrival of instant long-distance communication in America. The revolutionary technology excited the public imagination, inspiring predictions that the telegraph would bring about economic prosperity, national unity, and even world peace.
- Date made
- 1844
- used date
- 1844
- demonstrator
- Morse, Samuel Finley Breese
- Vail, Alfred
- maker
- Vail, Alfred
- Morse, Samuel Finley Breese
- ID Number
- EM.181411
- catalog number
- 181411
- accession number
- 31652
- Data Source
- National Museum of American History
-
Library of Congress Punch Card
- Description
- The late 1960s were a time of rapid change in processes for cataloging and circulating books at the U.S. Library of Congress. Computers were introduced for preparing cataloging records for libraries across the nation and for tracking and distributing books sent out on interlibrary loan. This is one card used in the process. It relates to a volume entitled Apparatus and Experiment SD Int. by Weiss, which had call number QP461 W4 1916. It was checked out on 12-22-72 to Borrower OS500. A mark on the bottom edge of the card reads: HP/ECC-1294-0.
- Location
- Currently not on view
- Date made
- 1972
- 1972
- date made
- 1972
- maker
- Library of Congress
- ID Number
- 2002.3058.02
- nonaccession number
- 2002.3058
- catalog number
- 2002.3058.02
- Data Source
- National Museum of American History
-
Library of Congress Punch Card
- Description
- The late 1960s and early 1970s were a time of rapid change in processes for cataloging and circulating books at the U.S. Library of Congress. Computers were introduced for preparing cataloging records for libraries across the nation, and for tracking and distributing books sent out on interlibrary loan. This is one card used in the process. It relates to a volume entitled Western Electric Co Info Care 3A Audio that had call No. RF151 WF. It was checked out on 12-12-72 to borrower OS500. A mark on the bottom edge of the card reads: HP/ECC-1294-0.
- Location
- Currently not on view
- Date made
- 1972
- maker
- Library of Congress
- ID Number
- 2002.3058.03
- nonaccession number
- 2002.3058
- catalog number
- 2002.3058.03
- Data Source
- National Museum of American History
-
Library of Congress Punch Card
- Description
- The late 1960s and early 1970s were a time of rapid change in processes for cataloging and circulating books at the U.S. Library of Congress. Computers were introduced for preparing cataloging records for libraries across the nation, and for tracking and distributing books sent out on interlibrary loan.This is one card used in the process. It relates to a volume entitled Western Electric Co Info Care 1A Audiometer that had call number RF151 W21. It was checked out on 12-12-72 to borrower OS500. A mark on the bottom edge of the card reads: HP/ECC-1294-0.
- Location
- Currently not on view
- date made
- 1972
- maker
- Library of Congress
- ID Number
- 2002.3058.04
- nonaccession number
- 2002.3058
- catalog number
- 2002.3058.04
- Data Source
- National Museum of American History
-
Hewlett-Packard HP-25 Handheld Electronic Calculator
- Description
- This handheld electronic calculator, relatively small and simple for a calculator sold by Hewlett-Packard, was introduced on February 1, 1975 and sold through 1978. It was one a series of calculators of this size that also included the HP-21, HP-22, HP-25C, HP-27, and HP-29C. The calculator has a tan plastic case with a black or dark brown keyboard and thirty rectangular plastic keys. Many keys take on different meanings if the gold "f" shift key or the blue "g" shift key is pressed. The calculator has limited programming capabilities but no device for storing instructions from one session to the next. Behind the keyboard are an on/off switch, a program/run switch, and a twelve-digit LED display (either ten digits plus sign, or eight significant digits plus two digits of an exponent plus signs for both). A mark on the front edge reads: hp HEWLETT • PACKARD 25.
- The reverse side of the calculator has prongs for a power adapter/recharger as well as a battery compartment with a frame for two batteries. Stamped above the battery pack is the number: 1511A25777. The first four numbers of the serial number indicate that the calculator was made in the eleventh week of 1975. A tag at the base of the back reads: HEWLETT-PACKARD (/) MADE IN USA(/) 2.5 V 500mW.
- The calculator is in a black plastic zippered carrying case marked: ti. It does not fit well.
- In November, 1975, the calculator sold for $195.
- References:
- W.A.C. Mier-Jedrzejowicz, A Guide to HP Handheld Calculators and Computers , Tustin, California: Wilson/Burnett Publishing, 1997, pp. 46–48, 132.
- David G. Hicks, The Museum of HP Calculators, http://www.hpmuseum.org/, accessed July, 2014.
- Randall Neff and Lynn Tillman, “Three New Pocket Calculators: Smaller, Less Costly, More Powerful,” Hewlett-Packard Journal, November 1975, pp. 2-7, 12. Much of the issue is devoted to the HP-21, HP-22 and HP-25.
- [Advertisement], Electronics, vol. 48 #23, November 13, 1975, pp. 92-93.
- Location
- Currently not on view
- date made
- 1975
- maker
- Hewlett-Packard Company
- ID Number
- 1987.0435.09
- catalog number
- 1987.0435.09
- accession number
- 1987.0435
- Data Source
- National Museum of American History
-
Radio Shack TRS-80 Model 1 Personal Computer
- Description
- In the early 1970s, most personal computers came as hobbyist kits requiring a high level of technical expertise to assemble. Don French, a buyer for the consumer electronics chain Tandy Radio Shack (TRS), believed that Radio Shack should offer an assembled personal computer and hired engineer Steve Leininger to design it. In the summer of 1977, Radio Shack introduced the TRS-80 for $599. This offering included a BASIC language interpreter, four kilobytes of RAM, a Zilog Z80 processor at 1.77 megahertz, a twelve-inch video monitor, a cassette recorder, a power supply, and a cassette tape containing the games Blackjack and Backgammon. While some Tandy executives were skeptical about the success of the PC market, the availability of the TRS-80 on five thousand Radio Shack store shelves helped the Model 1 sell over one hundred thousand units during its first year, which was 50 percent of the total PCs sold in 1978.
- The TRS-80 had its microprocessor inside its keyboard. While you could purchase just the TRS-80 for $400, most opted for the package that included the twelve-inch monitor and cassette recorder for $600. This example of the object includes the TRS-80 Expansion Interface for $299 (the monitor sits on it) that gave the machine an extra thirty-two kilobytes of memory. Also part of the system are two Mini-Disk drives that sold for $499 and a suitcase for carrying all this around.
- One also could purchase such accessories as a TRS-80 Telephone Interface II for $199 that allowed for network communication and printer for $399. Examples of these are in the Smithsonian collections, although they were not received with this specific microcomputer.
- References:
- Radio Shack, A Tandy Company, 1978 Catalog No. 289, page 166, accessed September 1, 2014, http://www.radioshackcatalogs.com/catalogs/1978
- Radio Shack, A Tandy Company, 1979 Catalog No. 302, pages 79–82, accessed September 1, 2014, http://www.radioshackcatalogs.com/catalogs/1979
- “BYTE News,” BYTE, May 1979, 117.
- Peggy A. Kidwell and Paul E. Ceruzzi, Landmarks in Digital Computing (Washington, D.C.: Smithsonian Institution Press, 1994), 96–99.
- date made
- 1977-1981
- maker
- Tandy Corporation
- ID Number
- 1983.0169.01
- catalog number
- 1983.0169.01
- accession number
- 1983.0169
- Data Source
- National Museum of American History
-
Commodore SR-1400 Handheld Electronic Calculator
- Description
- This handheld electronic calculator is designed for scientific use. It has an array of forty-two keys. In addition to ten digit keys, a decimal point key, clear and clear entry keys, four arithmetic function keys, and a total key. The lower portion of the keyboard has change sign and exponent (of two digits) keys. Function keys include squares, degrees converted to radians, radians converted to degrees, powers, common logs, natural logs, exponents (of more than two digits), square roots, trigonometric functions (which can also double as inverse trigonometric functions), inverses, exchange, memory, and parentheses.
- The power switch is at the top right of the keyboard. Behind it is a fourteen-digit red light-emitting diode display. A mark above this reads: commodore. The socket for an adapter is along the top edge.
- A metal tag on the back of the calculator reads in part: ELECTRONIC SLIDE RULE CALCULATOR (/) SR-1400 (/) Please Read Instruction Manual. It gives basic instructions. Further text near the bottom reads: Serial No. 015975 (/) Commodore Business Machines, Inc. U.S.A.
- The calculator has two Mostek chips. A mark on one reads: MOS (/) MCS2525 (/) 001 2174. A mark on the other reads: MOS (/) MCS2526 (/) 001 2874.
- A December 17, 1974, newspaper advertisement listed the calculator as selling for $99.95
- References:
- Los Angeles Times, November 15, 1974, p. G9. Advertised as selling for $99.95.
- Los Angeles Times, August 31, 1975, p. C7. Advertised as on sale for $49.88.
- The Day, December 17, 1974. Advertised as available for $99.95.
- Location
- Currently not on view
- date made
- 1974-1975
- maker
- Commodore Business Machines, Inc.
- ID Number
- 1986.0988.312
- catalog number
- 1986.0988.312
- accession number
- 1986.0988
- Data Source
- National Museum of American History
-
Summit SRM Handheld Electronic Calculator
- Description
- This is one of Summit’s scientific handheld electronic calculators. It has a white plastic case and twenty rectangular plastic keys. These keys include ten digit keys, a decimal point key, a total key, four arithmetic function keys, a memory key, a % key, a clear key and a clear entry key. Behind the keyboard is an eight-digit red LED display. The on/off switch is right of this. The back edge of the calculator has a power jack as well as buttons for reciprocals, squares, and square roots. A mark on the front edge reads: Summit.
- A sticker on the back reads in part: SUMMIT INTERNATIONAL CORP. (/) Serial No. 1905 Model SRM (/) Salt Lake City, Utah (/) made in U.S.A.
- The SRM Instruction Manual accompanies the calculator.
- Compare 1986.0988.284, another examples of the Summit SRM, and 1986.0988.278, a Summit SE 88M.
- Location
- Currently not on view
- date made
- 1973-1974
- maker
- Summit International Corporation
- ID Number
- 1986.0988.279
- catalog number
- 1986.0988.279
- accession number
- 1986.0988
- Data Source
- National Museum of American History
-
Summit SM8 Handheld Electronic Calculator
- Description
- This unusually compact handheld electronic calculator has a black plastic case and an array of eighteen plastic keys, seventeen of them square and one (the zero key) rectangular. These include ten digit keys, a decimal point key, four arithmetic function keys, a clear entry key, and a clear key. The on/off switch is left of the top three keys. An eight-digit red LED display is behind this. A tag on the front edge reads: Summit. A jack for a power supply is on the left side. The back of the calculator has a compartment for a nine-volt battery. A sticker on the lid of the compartment reads: “Tom Thumb” (/) CALCULATOR WILL OPERATE FROM (/) 9 VOLT BATTERY OR OPTIONAL (/) SUMMIT ADAPTER. Further text reads: MODEL SM8 (/) SERIAL NO. 10933 (/) Tm SUMMIT INTERNATIONAL CORP. (/) SALT LAKE CITY, UTAH.
- References:
- [Advertisement], Salina (Kansas) Journal, December 28, 1973, p. 17. Summit SM8 selling for $53.24.
- [Advertisement], Ogden (Utah) Standard-Examiner, January 8, 1974. Summit SM8 advertised as selling for $39.97.
- Location
- Currently not on view
- date made
- 1973
- maker
- Summit International Corporation
- ID Number
- 1986.0988.073
- catalog number
- 1986.0988.073
- accession number
- 1986.0988
- Data Source
- National Museum of American History
-
Summit MR 8 Handheld Electronic Calculator
- Description
- This handheld electronic calculator has a tan plastic case with metal trim and twenty rectangular plastic keys. The keys include ten digit keys, a decimal point key, four arithmetic function keys, a total key, a % key, a clear key, and a clear entry key. The 9 key can also be used to assure that entries have a two decimal points in the digits (as in dollars and cents). The memory key may serve for storage or accumulation. Behind the keyboard is an eight-digit red LED display. The on/off switch is right of it. A power jack and light are on the back edge. A tag on the front reads: Summit.
- A tag on the back of the calculator gives operating instructions. It reads in part: SUMMIT INTERNATIONAL CORP. (/) Serial No. 4538 Model MR 8 (/) Salt Lake City Utah MANUFACTURED BY NCE NUCLEAR (/) made in U.S.A.
- Compare 1986.0988.072 and 1986.0988.287.
- References:
- [Advertisement], Los Angeles Times, October 21, 1973, p. D15. “New SUMMIT MR-8 Dual-memory rechargeable portable” advertised as selling for $199.95.
- [Advertisement], Chicago Tribune, December 26, 1973, p. C8. Summit MR-8 calculator on sale for $89.88, regular price $119.95.
- Location
- Currently not on view
- date made
- 1973
- maker
- Summit International Corporation
- ID Number
- 1986.0988.282
- catalog number
- 1986.0988.282
- accession number
- 1986.0988
- Data Source
- National Museum of American History
-
Documentation, Spiral Bound Book Entitled Machine Language for Beginners
- Location
- Currently not on view
- date made
- 1983
- maker
- Compute! Publications, Inc.
- ID Number
- 1987.3049.08
- catalog number
- 1987.3049.08
- nonaccession number
- 1987.3049
- Data Source
- National Museum of American History
-
Electromechnical Computer Component, ASSC Mark I Relay
- Description
- This is a component of BM Automatic Sequence Controlled Calculator (ASCC) Mark I computer. It has a black bakelite frame with metal interior and side. There is a single coil in the frame. A single plug and sixteen prongs extend from one side. The coil is wrapped with a white covering.
- Compare 324282.
- Location
- Currently not on view
- Date made
- 1944
- maker
- IBM
- Harvard University
- ID Number
- 1983.3006.02
- nonaccession number
- 1983.3006
- catalog number
- 1983.3006.02
- Data Source
- National Museum of American History
-
Hewlett-Packard HP-33E Handheld Electronic Calculator
- Description
- This programmable handheld electronic calculator has a black plastic case and thirty rectangular plastic keys. The model was introduced in May of 1978 and sold through 1982. Most keys take on different meanings if the gold "f" shift key or the blue "g" shift key is pressed. The calculator has limited programming capabilities, but no device for storing instructions from one session to the next. Behind the keyboard are an on/off switch, a program/run switch, and a ten-digit LED display. A mark on the front edge reads: hp HEWLETT • PACKARD 33E.
- The socket for the battery adapter is along the top edge. The battery compartment is at the top of the back. The back also has four rubber feet. Text on the back reads: SERIAL NO. (/) 1933A74736. Another mark reads: MADE IN (/) U.S.A. The first four digits of the serial number indicate that the calculator was made in the thirty-third week of 1979.
- The calculator has a brown and black zippered case.
- This machine was a replacement for the HP-25. The series included the HP-31E, the HP-32E, the HP-33E, the HP-33C, the HP-34C, the HP-37E, the HP-38E and the HP-38C. Compare 1987.0435.09 (an HP-25) and 1987.0435.10 (an HP-33C).
- A September, 1978, advertisement lists the price of the calculator as $84.95. Mier-Jedrzejowicz gives a price of $100. An October, 1982, advertisement gives a sale price of $64.50.
- References:
- W.A.C. Mier-Jedrzejowicz, A Guide to HP Handheld Calculators and Computers , Tustin, California: Wilson/Burnett Publishing, 1997, pp. 56–58, 132.
- David G. Hicks, The Museum of HP Calculators, http://www.hpmuseum.org/, accessed July, 2014.
- [Advertisement], Los Angeles Times, September 16, 1978, p. SD B9.
- [Advertisement], New York Times, October 3, 1982, p. 66.
- Location
- Currently not on view
- date made
- 1979
- maker
- Hewlett-Packard Company
- ID Number
- 1987.0435.11
- catalog number
- 1987.0435.11
- accession number
- 1987.0435
- Data Source
- National Museum of American History
-
National Semiconductor Novus 822M Handheld Electronic Calculator
- Description
- This handheld electronic calculator has a tan plastic case, a black keyboard, and twenty-two rectangular plastic keys. In addition to ten digit keys, a decimal point key, a clear entry/clear key, four arithmetic function keys, and a total key; it has a display key, a constant key, a % key, and two memory keys. The on/off switch is next to the top two keys. Behind this is an eight-digit LED display. A mark behind this reads: NOVUS (/) 622M. A jack for a power adapter is on the left side.
- The top of the calculator has a compartment for a battery that opens at the back. Below this is a sticker marked in part: NOVUS 822M. It gives operating instructions. Further text at the bottom reads: NOVUS – Consumer Products from (/) National Semiconductor Corporation (/) Made in U.S.A. It also reads: Serial No. (/) 1000115.
- References:
- [Advertisement], Los Angeles Times, April 8, 1975, p. C4. Novus 822M sold for $29.95.
- Location
- Currently not on view
- date made
- 1975
- maker
- National Semiconductor Corporation
- ID Number
- 1986.0988.225
- catalog number
- 1986.0988.225
- accession number
- 1986.0988
- Data Source
- National Museum of American History
-
Sears 728.58850 Handheld Electronic Calculator
- Description
- This is a relatively early Sears handheld electronic calculator, manufactured by Bowmar/Ali.
- The calculator has a black plastic case with a plastic display window and seventeen square plastic keys with circular tops (actually two keys are rectangular bars). These include nine digit keys, zero and decimal point bars, four arithmetic function keys, a clear entry key, and a clear key. A constant switch is left of the two topmost keys and an on/off switch is to the right of them. Behind the keyboard is a red eight-digit LED display. A mark at the top reads: Sears.
- A jack for a power adapter is on the right side. This example lacks an adapter.
- An "OPERATING OUTLINE" in raised characters on the back of the case gives instructions. A tag at the bottom reads in part: IN ALL CORRESPONDENCE REGARDING THIS ARTICLE ALWAYS MENTION (/) MODEL (/) NUMBER 728.58850 SERIAL (/) NUMBER 251587. It also reads: Made in U.S.A. Four screws hold the back of the case to the front.
- The calculator has a zippered plastic case with a belt loop at the top. Marks on the case read: Sears and: MADE IN (/) U.S.A. The case also contains a paper instruction manual.
- Compare 1986.0988.204 (the Bowmar 905 from 1972). Also compare 1986.0988.362, a Sears 728.58863.
- Reference:
- Guy Ball and Bruce Flamm, The Complete Collector’s Guide to Pocket Calculators, Tustin, CA: Wilson/Barnett Printing, 1997, pp. 35–36, 136.
- Location
- Currently not on view
- date made
- ca 1973
- maker
- Sears, Roebuck and Co.
- ID Number
- 1986.0988.361
- catalog number
- 1986.0988.361
- accession number
- 1986.0988
- Data Source
- National Museum of American History
-
Burroughs Cash Register Model
- Description
- This manufacturer's model of a cash register has a metal case painted black and four columns of black and white digit keys. To the right of these is an operating bar and various function keys. At the left is a paper tape. At the top are indicator digits in an enclosed case. At the front are two rows of register wheels. A box below is in the shape of a cash drawer. The clearance key is on the right front.The machine has a black cord.
- This example is from the collection of the Patent Department of Burroughs Corporation. According to the accession file, it was an invention of Walter Pasinski. A patent case relating to it was abandoned March 5, 1953.
- Location
- Currently not on view
- date made
- ca 1950
- maker
- Burroughs Adding Machine Company
- ID Number
- 1982.0794.19
- catalog number
- 1982.0794.19
- accession number
- 1982.0794
- Data Source
- National Museum of American History
-
Apple Macintosh Mouse
- Description
- Invented in 1963, the mouse improved interactions with computers. However, not until 1984, when Apple Computers introduced the Macintosh and its graphical user interface, did the mouse become a standard computer component.
- Location
- Currently not on view
- Date made
- 1984
- maker
- Apple Computer
- ID Number
- 1985.3011.01.1
- catalog number
- 1985.3011.01.1
- nonaccession number
- 1985.3011
- Data Source
- National Museum of American History
-
Commodore Minuteman 2 Handheld Electronic Calculator
- Description
- This handheld electronic calculator has a white case with black trim and metal keyboard, and an array of square black "Klixon" keys. Such keys have a design trademarked by Texas Instruments and make a distinctive click when pressed. In addition to ten digit and one decimal point key, the calculator has four keys for arithmetic functions. One serves as a total key for addition, another as a difference key for subtraction. The top of the keyboard has a constant switch, a clear entry key, and a red clear key. The on/off switch is below the keyboard. The text next to it reads: commodore (/) Minuteman 2.
- The eight-digit red LED display is behind the keyboard. A cord for recharging the battery attaches at the back of the top. (This example has no cord.)
- The back has four plastic feet. A metal plate there gives operating instructions. Text near the bottom reads: COMMODORE (/) MODEL MM-2 SER. NO. R216527 (/) SANTA CLARA, CALIFORNIA (/) MADE IN U.S.A.
- This was one of the first models of a handheld calculator sold by Commodore. It was manufactured by Bowmar/Ali and is similar to the Bowmar 901B.
- Compare 1986.0988.099 (the Commodore Minuteman 1) and 1988.0988.129 (the Bowmar 901B).
- References:
- Guy Ball and Bruce Flamm, The Complete Collector’s Guide to Pocket Calculators, Tustin, CA: Wilson/Barnett, 1997, p. 57.
- New York Times, December 19, 1972, p. 26. Advertisement indicates that the Minuteman 2 had a regular price of $179, sale price of $92.
- New York Times, February 13, 1973, p. 6. Minuteman 2 has a regular price of $179 and a sale price of $79.
- Los Angeles Times, February 22, 1974, P. A2 – Commodore MM2 calculator listed as on sale for $69.95, marked down from an original price of $99.50.
- Location
- Currently not on view
- date made
- 1972-1974
- distributor
- Commodore Business Machines, Inc.
- maker
- Bowmar/Ali
- ID Number
- 1986.0988.098
- catalog number
- 1986.0988.098
- accession number
- 1986.0988
- Data Source
- National Museum of American History
-
Summit SRM Handheld Electronic Calculator
- Description
- This is one of Summit’s scientific handheld electronic calculators. It has a black plastic case and twenty rectangular plastic keys. These keys include ten digit keys, a decimal point key, a total key, four arithmetic function keys, a memory key, a % key, a clear key, and a clear entry key. Behind the keyboard is an eight-digit red LED display. The on/off switch is right of this. The back edge of the calculator has a power jack as well as buttons for reciprocals, squares, and square roots. A mark on the front edge reads: Summit.
- The serial number on the back is 13903.
- Compare 1986.0988.279, another examples of the Summit SRM, and 1986.0988.278, a Summit SE 88M.
- References:
- [Advertisement], The Salt Lake Tribune, January 23, 1974, p. 40. Summit SRM, in black, on sale for $72.66.
- [Advertisement], The Salt Lake Tribune, February 20, 1974, p. 6. Summit SRM, in black, on sale for $66.96.
- Location
- Currently not on view
- date made
- 1973-1974
- maker
- Summit International Corporation
- ID Number
- 1986.0988.284
- catalog number
- 1986.0988.284
- accession number
- 1986.0988
- Data Source
- National Museum of American History
-
St. Louis Cash Register
- Description
- This cash register has a wooden case with glass-covered pop-up indicator numbers at the back. A metal lever that moves laterally across the front of the machine points to multiples of 5 from 5 to 95. On the right is an auxiliary lever for indicating amounts from 0 cents to 4 cents. On the left is another auxiliary lever for indicating 0, 1, or 2 dollars, hence the cash register indicates amounts up to $2.99. When the pointer-lever is depressed, the dollar, multiple of 5 cents, and 0 cent to 4 cent amounts are indicated on separate indicators at the back of the machine.
- A window in the front of the machine is above the scale for the pointer. It is supposed to be covered with a shutter which can be opened only with a lock and key, keeping a secure record of transactions. No lock or key is evident.
- The wooden cash drawer has six compartments for coins and three for paper bills. A spring at the back of the drawer keeps it in place.
- The Model 106 is not listed in McCarthy in 1924, although other St. Louis cash registers are. The company is not mentioned in the 1928 edition of the book.
- References:
- Richard R. Crandell and Sam Robbins, The Incorruptible Cashier, vol. 2, Vestal, N.Y.: Vestal Press Ltd., 1990, pp. 80–84, 319, 320.
- James H. McCarthy, The American Digest of Business Machines, Chicago, 1924, pp.160–162, 585.
- Location
- Currently not on view
- date made
- ca 1915
- maker
- St. Louis Cash Register Company, Inc.
- ID Number
- 1982.0735.01
- catalog number
- 1982.0735.01
- accession number
- 1982.0735
- Data Source
- National Museum of American History
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