Gauge

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OBJECT TYPE
AMINCO-BRENNER
DATE
1944
ARTIFACT NUMBER
2001.0105.001
MANUFACTURER
American Instrument Co. Inc.
MODEL
MAGNE-GAGE
LOCATION
Silver Springs, Minnesota, United States of America

More Information


General Information

Serial #
P-145
Part Number
1
Total Parts
15
AKA
N/A
Patents
N/A
General Description
WOOD BASE; METAL & SYNTHETIC MECHANISM & PARTS; SYNTHETIC MECHANISM COVER

Dimensions

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

Length
22.9 cm
Width
12.7 cm
Height
23.5 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Metrology
Category
Length
Sub-Category
N/A

Manufacturer

AKA
American Instrument
Country
United States of America
State/Province
Minnesota
City
Silver Springs

Context

Country
Canada
State/Province
Unknown
Period
1940'S +
Canada
THIS INSTRUMENT WAS ACQUIRED BY MR. MACLATCHY SECOND HAND FOR HIS OWN USE IN 1970S BUT HE USED IT INFREQUENTLY. IT WAS MADE IN 1944 & APPEARS TO HAVE BEEN RECALIBRATED IN 1953 FOR RCA VICTOR INMONTREAL.
Function
INSTRUMENT WHICH MEASURES THICKNESS OF DEPOSITED COATINGS ON METAL SAMPLES BY USING SEVERAL CALIBRATED REFERENCE MAGNETS. MAGNET IS PLACED IN CONTACT WITH SURFACE & FINE WIRE IS ATTACHED TO BEAM OF SCALE. DIAL IS ROTATED UNTIL MAGNET BREAKS FROM SURFACE - FORCE REQUIRED TO BREAK BOD INDICATES THICKNESS.
Technical
LITTLE IS KNOWN ABOUT ORIGINS OF DEVICE THOUGH ADVANCES IN PLATING METHODS & TECHNOLOGIES CLEARLY MADE IT USEFUL. MILITARY SPECS WOULD HAVE ROUTINELY REQUIRED SPECIFICATION OF THICKNESSES OF PROTECTIVE COATINGS & THINNESS OF THESE MADE STANDARD MICROMETERS INEFFECTIVE - HENCE USE OF CALIBRATED MAGNETS TO DETERMINE CHANGE*
Area Notes
Unknown

Details

Markings
SILVER LETTERING ON DIAL READS "AMINCO-BRENNER/ MAGNE-GAGE/ AMERICAN INSTRUMENT CO./ SILVER SPRING, MARYLAND"; INCISED WHITE "P-145"; MOULDED "AMINCO" IN PLASTIC CASING
Missing
.15 CARRYING HANDLE OR STRAP
Finish
BLACK BASE; METALLIC & PLATED PARTS; BLACK PAINTED DIAL & PARTS; BLACK SYNTHETIC KNOB & PARTS; TRANSPARENT MECHANISM COVER.
Decoration
N/A

CITE THIS OBJECT

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

American Instrument Co. Inc., Gauge, 1944, Artifact no. 2001.0105, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2001.0105.001/

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