Sheet, Form Letter Sent by D. E. Felt to Meteorological Observatory, New York, N. Y.

Sheet, Form Letter Sent by D. E. Felt to Meteorological Observatory, New York, N. Y.

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Description
This typed form letter is addressed to the Meteorological Observatory in New York City (e.g. Daniel Draper) and stamped with the signature stamp of Dorr E. Felt. It announces the availability of the new model duplex Comptometer, and offers to send an example of the machine on trial.
The letter was received with a later model of the Comptometer (see MA.335357).
Reference:
P. A. Kidwell, “American Scientists and Calculating Machines: From Novelty to Commonplace,” Annals of the History of Computing, 12, 1990, pp. 31-40.
Location
Currently not on view
Object Name
sheet
date made
1905
maker
Felt & Tarrant Mfg. Co.
place made
United States: Illinois, Chicago
Physical Description
paper (overall material)
Measurements
overall:.1 cm x 21.5 cm x 27.8 cm; 1/32 in x 8 15/32 in x 10 15/16 in
ID Number
MA.304826.60
accession number
304826
catalog number
304826.60
Credit Line
Gift of John William Christopher Draper and James Christopher Draper
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Adding Machines
Data Source
National Museum of American History
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