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Discount Table for Use with a Comptometer

National Museum of American History

Object Details

Felt & Tarrant Mfg. Co.
Description
Manufacturers of adding and calculating machines distributed a variety of printed mathematical tables for users of their products. This example, printed in black on white cardboard, was prepared by Felt & Tarrant Manufacturing Company of Chicago, makers of the Comptometer adding machine. It was their Form No. 4 and lists the net result as a decimal of taking off two discounts in percent on an item sold. For example, the table indicates that if an item was selling at a 40% discount and then had an additional 10% discount on the price, the net price would be .54 times the original price. It was for use with a Comptometer. The form shows a Model J Comptometer, a machine produced in the late 1920s and early 1930s. Hence the date assigned.
A mark at the top of the table reads: Discount Table (/) showing net of $1.00 after discounts, shown (/) at top and side, are taken off (/) to be used in connection with the (/) COMPTOMETER (/) (TRADE MARK).
According to the donor, the table belonged to her aunt, the late Bessie Gold, who used it with a Burroughs calculator. Born in Russia about 1912, Gold came to the United States as a child. As an adult, she did office work in Richmond, Va.
For other tables distributed by Felt & Tarrant, see 1979.3074.09.
Location
Currently not on view
Credit Line
Gift of Sandra Friedman
ca 1930
ID Number
2011.3049.01
nonaccession number
2011.3049
catalog number
2011.3049.01
Object Name
mathematical table
Physical Description
paper (overall material)
Measurements
overall: .1 cm x 16.3 cm x 17.9 cm; 1/32 in x 6 13/32 in x 7 1/16 in
place made
United States: Illinois, Chicago
See more items in
Medicine and Science: Mathematics
Mathematical Charts and Tables
Science & Mathematics
National Museum of American History
Subject
Mathematics
Business
Record ID
nmah_1408617
Metadata Usage (text)
CC0
GUID (Link to Original Record)
https://n2t.net/ark:/65665/ng49ca746ad-5c78-704b-e053-15f76fa0b4fa

Related Content

  • Mathematical Charts and Tables

    American History Museum
Mathematical Table, Discount Table by Felt & Tarrant
There are restrictions for re-using this image. For more information, visit the Smithsonian's Terms of Use page .
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IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more.
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