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

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.

Date Made: 1905

Maker: Felt & Tarrant Mfg. Co.

Location: Currently not on view

Place Made: United States: Illinois, Chicago

Subject: Mathematics

Subject:

See more items in: Medicine and Science: Mathematics, Adding Machines, Science & Mathematics

Exhibition:

Exhibition Location:

Credit Line: Gift of John William Christopher Draper and James Christopher Draper

Data Source: National Museum of American History

Id Number: MA.304826.60Accession Number: 304826Catalog Number: 304826.60

Object Name: sheet

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

Metadata Usage: CC0

Guid: http://n2t.net/ark:/65665/ng49ca746a7-30e6-704b-e053-15f76fa0b4fa

Record Id: nmah_904541

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