Sheet, Form Letter Sent by D. E. Felt to Meteorological Observatory, New York, N. Y.
date: label: date made
content: 1905
name: label: maker
content: Felt & Tarrant Mfg. Co.
notes: label: Description
content: 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.
label: Description
content: The letter was received with a later model of the Comptometer (see MA.335357).
label: Description
content: Reference:
label: Description
content: P. A. Kidwell, “American Scientists and Calculating Machines: From Novelty to Commonplace,” <I>Annals of the History of Computing</I>, 12, 1990, pp. 31-40.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Adding Machines
label: See more items in
content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of John William Christopher Draper and James Christopher Draper
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.304826.60
label: accession number
content: 304826
label: catalog number
content: 304826.60
objectType: label: Object Name
content: sheet
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: .1 cm x 21.5 cm x 27.8 cm; 1/32 in x 8 15/32 in x 10 15/16 in