Object Details
maker
Quincy Compressor Co.
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.
Location
Currently not on view
Credit Line
Gift of I. Bernard Cohen
date made
ca 1941
ID Number
1988.3076.01
catalog number
1988.3076.01
nonaccession 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
place made
United States: Illinois, Quincy
See more items in
Medicine and Science: Mathematics
Mathematical Charts and Tables
Science & Mathematics
Data Source
National Museum of American History
Subject
Mathematics
Manufacturing
Link to Original Record
Record ID
nmah_1213748