Gear set

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OBJECT TYPE
METER-READING
DATE
1960–1969
ARTIFACT NUMBER
1990.0292.001
MANUFACTURER
Bausch & Lomb Optical Co.
MODEL
53-14-75
LOCATION
Rochester, New York, United States of America

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
14
AKA
N/A
Patents
N/A
General Description
GEARS:SYNTHETIC/ CASE: WOOD COVERED WITH PAPER; VELVET LINING; METAL HARDWARE WITH LEATHER STRAPS

Dimensions

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

Length
26.8 cm
Width
15.8 cm
Height
2.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Exploration and Survey
Category
Photogrammetry
Sub-Category
N/A

Manufacturer

AKA
Bausch Lomb
Country
United States of America
State/Province
New York
City
Rochester

Context

Country
North America
State/Province
Unknown
Period
Unknown
Canada
Unknown
Function
GEAR COMBINATIONS ARE USED IN A UNIVERSAL TRACING TABLE TO MECHANICALLY CONVERT THE COUNTER READINGS INTO UNITS OF THE PARTICULAR MEASURING SYSTEM BEING USED WITH DUE REFERENCE TO THE INCIDENTAL MAPPING SCALE, I.E., IT PROVIDES FOR A VARIETY OF DIRECT-READING MAPPING SCALES.
Technical
THE SELECTION OF GEARS IN THE SET PROVIDES A FAIRLY UNIFORM DISTRIBUTION OF DIRECT READING SCALES OVER THE ENTIRE RANGE OF MAPPING SCALES.
Area Notes
Unknown

Details

Markings
GEARS:.1 'M60';.2 'M48';.3 'M84'; M4 'M56';.8 'M40';.9 'M60';.10 'M48';.11 'M66';.12 'M112';.13 'M100';.14 'M96'/ CASE: STAMPED ON LID TOP: 'B/ &L'/ PAGE AFFIXED TO INSIDE LID READS IN PART: 'METER READING GEAR CHART/ 53-14-75/ PLOTTING SCALE/ GEAR NUMBER/ SHAFT A/ SHAFT B/ SHAFT C/ SHAFT D/ One Revolution of Elevation Counter = 10 meters for scales 16 to 31...'/ HANDWRITTEN ON LABEL: 'TRACING TABLE NO 2053VA'
Missing
TWO '54' GEARS
Finish
BLACK SIMULATED LEATHER CASE WITH BLUE VELVET LINING/ BLACK GEARS WITH WHITE PRINTING
Decoration
N/A

CITE THIS OBJECT

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

Bausch & Lomb Optical Co., Gear set, between 1960–1969, Artifact no. 1990.0292, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1990.0292.001/

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