Gear set

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Ingenium, 1996.0167.001
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OBJECT TYPE
IMPERIAL MEASURE/FEET
DATE
1960–1969
ARTIFACT NUMBER
1996.0167.001
MANUFACTURER
Bausch & Lomb Optical Co.
MODEL
53-14-76
LOCATION
Rochester, New York, United States of America

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
11
AKA
N/A
Patents
N/A
General Description
SYNTHETIC GEARS. WOODEN CASE COVERED WITH LEATHERETTE & LINED WITH VELVET; METAL SNAP CLOSURES ON LEATHER STRAPS; PAPER LABEL INSIDE CASE

Dimensions

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

Length
21.3 cm
Width
13.0 cm
Height
1.8 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
Canada
State/Province
Ontario
Period
THIS TYPE OF SET USED C.1950S-1970S, AND POSSIBLY LATER
Canada
Unknown
Function
GEAR COMBINATIONS ARE USED IN A UNIVERSAL TRACING TABLE TO MECHANICALLY CONVERT THE COUNTER READINGS INTO UNITS OF THE SELECTED MEASURING SYSTEM (IN THIS CASE FEET), WITH REFERENCE TO INCIDENTAL MAPPING SCALE.
Technical
THE SELECTION OF GEARS IN SETS LIKE THIS PROVIDES A FAIRLY UNIFORM DISTRIBUTION OF DIRECT READING SCALES,OVER THE ENTIRE RANGE OF MAPPING SCALE (REF.2).
Area Notes
Unknown

Details

Markings
BAUSCH & LOMB LOGO 'B / & L' WITHIN INVERTED TRIANGLE APPEARS IN SILVER SCRIPT IN UPPER LEFT OF CASE TOP/ PAPER LABEL INSIDE CASE READS IN PART: 'GEAR CHART/ 53-14-76/...One Revolution of Elevation Counter= 10 feet.../ FORMULA FOR SCALE DENOMINATOR: d=1500.A/B.C/D'. [TEXT REPRODUCED IN FULL IN SUPP.INFO. FILE]/ GEARS MARKED [.1-.11] 'F80', 'F60', 'F60', 'F60', 'F66', 'F36', 'F40', 'F90', 'F51', 'F66', & 'F72'
Missing
NONE
Finish
BLACK LEATHERETTE COVERED CASE: PURPLE VELVET LINING ON LOWER PORTION HOUSING GEARS. BLACK GEARS OFF-WHITE PAPER LABEL INSIDE CASE.
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. 1996.0167, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1996.0167.001/

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