Slide rule

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Ingenium, 1992.0050.001
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OBJECT TYPE: SPECIAL PURPOSE/ELECTRICAL
DATE: 1951
ARTIFACT NUMBER: 1992.0050.001

MANUFACTURER: Perrygraf Corp.
MODEL: Unknown
LOCATION: Maywood, Illinois, United States of America

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 2
AKA: N/A
Patents: N/A
General Description: CARDSTOCK/ METAL RINGS

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 22.7 cm
Width: 7.7 cm
Height: N/A
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Energy-electric
Category: Measurement
Sub-Category: N/A

Manufacturer

AKA: Perrygraf
Country: United States of America
State/Province: Illinois
City: Maywood

Context

Country: North America
State/Province: Unknown
Period: 1950'S & 1960'S
Canada: AVAILABLE & USED IN CANADA
Function: TO CALCULATE OHM'S LAW & DO POWER CALCULATIONS FOR SELECTION OF THE PROPER SIZE OF RESISTORS, POTENTIOMETERS, ETC.
Technical: EXAMPLE OF TYPE OF DEVICE DISTRIBUTED BY MANUFACTURERS TO EASE THE MATHEMATICAL CALCULATIONS FOR BUILDERS OF ELECTRONIC CIRCUITS.
Area Notes: Unknown

Details

Markings: .1 VARIOUS TABLES FOR 'OHMS/ AMPS/ VOLTS/ WATTS/ MILLILAMPS'/ 'ELECTRICAL Slide Rule/ THE Helipot CORPORATION/ SOUTH PASADENA, CALIFORNIA' 'Slide-Chart Copr. 1951, PERRYGRAF Corp., Maywood, Ill.'/ ON BACK DRAWINGS & CHART OF 'STOCK VALUES' OF 'Model A' 'model J' 'model AJ' 'model T-10'
Missing: N/A
Finish: BEIGE WITH BLUE & BLACK PRINTING
Decoration: DRAWINGS OF VARIOUS PRODUCTS

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If you choose to share our information about this collection object, please cite:

Perrygraf Corp., Slide rule, after 1951, Artifact no. 1992.0050, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1992.0050.001/

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