St. Louis Cash Register

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.
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.
Currently not on view
Object Name
cash register
date made
ca 1915
St. Louis Cash Register Company, Inc.
Physical Description
metal (overall material)
wood (overall material)
paper (overall material)
glass (overall material)
overall: 53 cm x 42.5 cm x 45.3 cm; 20 7/8 in x 16 23/32 in x 17 27/32 in
place made
United States: Missouri, St. Louis
ID Number
catalog number
accession number
Cash and Credit Registers
Computers & Business Machines
See more items in
Medicine and Science: Mathematics
Cash and Credit Registers
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of H. & S. Freezer Food Center
Additional Media

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