Calculator

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OBJECT TYPE
RF RESONANCE & COIL WINDING
DATE
1943
ARTIFACT NUMBER
1996.0511.001
MANUFACTURER
Perry Graf Corp.
MODEL
ALLIED RAPID
LOCATION
Maywood, Illinois, United States of America

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
PAPER

Dimensions

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

Length
25.5 cm
Width
14.0 cm
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Service-test equipment
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
THIS TYPE OF CALCULATOR USED C. MID 1940S +
Canada
Unknown
Function
USED TO FIND INDUCTANCE, IE. DETERMINE RESONANCE FACTORS & COIL WINDING DATA.
Technical
ARRANGED TO RESEMBLE SLIDE RULE, THIS SIMPLE CALCULATOR USED TO FIND INDUCTANCE WHEN FREQUENCY OR WAVE LENGTH & CAPACITANCE ARE KNOWN, OR WHEN COIL LENGTH & DIAMETER AND WIRE SIZE OR TURNS PER INCH ARE KNOWN.
Area Notes
Unknown

Details

Markings
" ALLIED/ RADIO/ CORPORATION/ CHICAGO 7, ILLINOIS ", " R-F RESONANCE AND/ COIL WINDING/ALLIED RAPID/ Calculator" & "Consult Your ALLIED Catalogue for Everything in/ Radio and Electronics " printed on one side of calculator. Instructions for use, and frequency, wavelength, inductance and capacitance scales also printed on calculator, as well as inch rule. " ALLIED/ RADIO/ COIL WINDING/ Calculator " printed on reverse. Coil and wire size scales also printed on this side. " Mfd, Perry Graf Corp., Maywood, Ill. " & " Copyright 1943, by Allied Radio Corp., Chicago, Illinois " printed along lower edge. " See copy of PT envelope in Supp. Info.
Missing
NONE.
Finish
ORANGE, YELLOW & BLUE TEXT & GRAPHICS.
Decoration
N/A

CITE THIS OBJECT

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

Perry Graf Corp., Calculator, after 1943, Artifact no. 1996.0511, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1996.0511.001/

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