Slide Chart, Quincy Compressor Selector

Description:

This slide chart, distributed by the Qunicy Compressor company of Quincy, Illinois, is designed to allow customers to select the appropriate model of Quincy air compressor to purchase, knowing the pressure at which the air is to be delivered and the number of cubic feet per minute of air delivery desired. On one side, pressures range from 30 to 100 pounds On the other, they range from 110 to 250 pounds. For each model, the chart indicates the horsepower, speed, and piston displacement.

The chart consists of a paper envelope held together with metal rivets and a paper slide that moves crosswise. A mark near the bottom reads: Copyright 1941 Perry Graf Corp. Maywood, Ill. Slide charts made by Perry Graf that are in the Museum collections include 1979.3074.03, 1983.3009.04, 1983.3009.05,1983.3009.06, 1987.0108.03, and 1988.0325.01, and 1988.3076.01.

Date Made: ca 1941

Maker: Quincy Compressor Co.

Location: Currently not on view

Place Made: United States: Illinois, Quincy

Subject: MathematicsManufacturing

Subject:

See more items in: Medicine and Science: Mathematics, Mathematical Charts and Tables, Science & Mathematics

Exhibition:

Exhibition Location:

Credit Line: Gift of I. Bernard Cohen

Data Source: National Museum of American History

Id Number: 1988.3076.01Catalog Number: 1988.3076.01Nonaccession Number: 1988.3076

Object Name: mathematical table

Physical Description: paper (overall material)metal (overall material)Measurements: overall: .2 cm x 21.2 cm x 9.2 cm; 3/32 in x 8 11/32 in x 3 5/8 in

Guid: http://n2t.net/ark:/65665/ng49ca746aa-a463-704b-e053-15f76fa0b4fa

Record Id: nmah_1213748

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