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Ingenium, 1987.1183.007
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OBJECT TYPE
N/A
DATE
Unknown
ARTIFACT NUMBER
1987.1183.007
MANUFACTURER
KELSH INSTRUMENT CO. INC.
MODEL
Unknown
LOCATION
Baltimore, Maryland, United States of America

More Information


General Information

Serial #
N/A
Part Number
7
Total Parts
19
AKA
table leg
Patents
N/A
General Description
COMPONENTS ARE METAL; SOME SYNTHETIC HOSES, CORDS & FITTINGS/ GLASS OPTICS

Dimensions

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

Length
121.1 cm
Width
17.0 cm
Height
68.5 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
KELSH
Country
United States of America
State/Province
Maryland
City
Baltimore

Context

Country
Canada
State/Province
Ontario
Period
KELSH PLOTTERS WERE FIRST USED IN CANADA IN MID-1950s & WERE USED INTO 1970s
Canada
KELSH PLOTTERS REPLACED MULTIPLEX PLOTTERS AS THE PRINCIPLE PLOTTING UNITS OF BOTH MILITARY & DEPT. OF ENERGY, MINES & RESOURCES (EMR) IN CANADA IN EARLY 1960s (REF 1, P.2).
Function
TO PROJECT STEREOSCOPIC MODEL IN ORDER TO INTERPRET, MEASURE & PLOT DATA GATHERED FROM AERIAL SURVEY PHOTOGRAPHS.
Technical
KELSH PLOTTER IS A PROJECTION INSTRUMENT USING FULL SIZE DIAPOSITIVES (SAME SIZE AS AERIAL CAMERA WHICH TOOK PHOTOS). IT CONFINES ILLUMINATION TO AN AREA APPROX. 1 SQ INCH ON EACH DIAPOSITIVE-ONLY THE PART OF THE MODEL APPEARING ON THE TRACING TABLE PLATEN IS ILLUMINATED. THIS RESULTS IN EXCELLENT RESOLUTION OF STEREOSCOPIC IMAGE (REF 2, P.175; REF 1, P.47).
Area Notes
Unknown

Details

Markings
All controls labeled.
Missing
N/A
Finish
PRINCIPALLY GREY, BLACK OR DRAB-GREEN IN COLOUR/ Panel removed & marked .7 pt
Decoration
N/A

CITE THIS OBJECT

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

KELSH INSTRUMENT CO. INC., Support, Unknown Date, Artifact no. 1987.1183, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1987.1183.007/

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