Planimeter

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Ingenium, 1993.0191.001
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OBJECT TYPE
COMPENSATING POLAR/FIXED ARM
DATE
1945
ARTIFACT NUMBER
1993.0191.001
MANUFACTURER
Keuffel & Esser Co.
MODEL
4236
LOCATION
New York, New York, United States of America

More Information


General Information

Serial #
76586
Part Number
1
Total Parts
3
AKA
N/A
Patents
N/A
General Description
METAL PLANIMETER(STAINLESS STEEL, STEEL, POSSIBLY BRASS)/ SYNTHETIC COVERED WOOD CASE WITH VELVET LINING & METAL HARDWARE/ CARDBOARD BOX

Dimensions

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

Length
24.0 cm
Width
9.3 cm
Height
5.3 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Mathematics
Category
Drawing & measuring instruments
Sub-Category
N/A

Manufacturer

AKA
Keuffel Esser
Country
United States of America
State/Province
New York
City
New York

Context

Country
Canada
State/Province
Ontario
Period
1945-C.1990
Canada
Unknown
Function
AN INSTRUMENT USED TO MEASURE MECHANICALLY THE AREA OF ANY CLOSED PLANE FIGURE OR IRREGULAR SHAPE ON A DRAWING OR MAP.
Technical
A TYPICAL EXAMPLE OF A DEVICE TO MEASURE AREAS FROM DRAWINGS & MAPS. THE DESIGN EVOLVED FROM PROFESSOR JACOB ANSLER'S 1856 PLANIMETER.
Area Notes
Unknown

Details

Markings
.1 INCISED '76586' WITH WHITE LETTEING ON COUNTING DIAL & MEASURING WHEEL/.2 INCISED WHITE LETTERING READING 'KEUFFEL & ESSER CO. N.Y. MADE IN U.S.A.'/.3 INCISED '10' & SYMBOL/ EXTERIOR OF CASE STAMPED IN GOLD 'KEUFFEL & ESSER CO. N.Y./ 4236'/ INTERIOR LABEL ON CASE READS 'KEUFFEL & ESSER CO./ PLANIMETER NO. 4236/ SERIAL NO. 76586' WITH SCALE INFO./ RED & WHITE LABEL ON BOX EXTERIOR READING 'COMPENSATING/ POLAR PLANIMETER/ K&E CO./ 1 ONLY 4236 FIXED TRACER ARM/ MADE IN U.S.A. REG. U.S. PAT. OFF.'/ INTERIOR OF BOX STAMPED 'KEITH A. MACKINNON/ CONSULTING RADIO ENGINEER/ OTTAWA CANADA'
Missing
N/A
Finish
BLACK PAINTED, PLATED & METALLIC PLANIMETER/ BLACK COVERED CASE WITH GREEN LINING/ GREEN BOX
Decoration
N/A

CITE THIS OBJECT

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

Keuffel & Esser Co., Planimeter, before 1945, Artifact no. 1993.0191, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1993.0191.001/

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