Landis Erasing Shield
Landis Erasing Shield
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- Description
- This small plastic template, also called an erasing shield, contains a variety of curves and a straight bar. It covered correct typing to make it easier to erase errors. A mark at the top reads: THE "LANDIS" (/) PAT D NOV 27 1900.
- The template was patented by Mary A. Brown of Washington, D.C., on November 27, 1900.
- References:
- [Advertisement] “Typewriting Made Perfect. The “Landis” System,” Typewriter and Phonographic World, 8 #6, February, 1902, p. ix. E.S. Bass of New York listed as distributing agent.
- Mary A. Brown, “Erasing-Shield for Type-writers,” U.S. Patent 662,591, November 27, 1900.
- Mary A. Brown, Typewriting Made Perfect. The "Landis”, M. A. Brown: New York, 1901.
- Catalogue of Keuffel & Esser Co., New York, 1909, p. 293. Keuffel & Esser’s model #3411.
- Catalogue of Keuffel & Esser Co., New York, 1921, p. 222. The erasing shields shown here are not in the form of Baker’s invention.
- Location
- Currently not on view
- Object Name
- Template
- date made
- ca 1905
- Physical Description
- plastic (overall material)
- Measurements
- overall:.2 cm x 8.7 cm x 12.8 cm; 3/32 in x 3 7/16 in x 5 1/32 in
- ID Number
- 1986.3110.18
- catalog number
- 1986.3110.18
- nonaccession number
- 1986.3110
- Credit Line
- Gift of Mrs. C. B. Schmeltzer in Memory of C. B. Schmeltzer
- subject
- Mathematics
- See more items in
- Medicine and Science: Mathematics
- Science & Mathematics
- Drawing Templates
- Data Source
- National Museum of American History
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