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1987.1185.002
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- OBJECT TYPE
- N/A
- DATE
- 1955–1965
- ARTIFACT NUMBER
- 1987.1185.002
- MANUFACTURER
- PSC APPLIED RESEARCH LTD.
- MODEL
- Unknown
- LOCATION
- Toronto, Ontario, Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 2
- Total Parts
- 17
- AKA
- projector mounting bar or beam
- Patents
- N/A
- General Description
- PRINCIPALLY METAL/ SOME SYNTHETIC KNOBS, SWITCHES, HOSES, ETC.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 91.5 cm
- Width
- 6.5 cm
- Height
- 1.5 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
- PSC
- Country
- Canada
- State/Province
- Ontario
- City
- Toronto
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- C. 1965-1970
- Canada
-
DESIGNED BY SAMUEL G. GAMBLE, DEPT. OF MINES & TECHNICAL SURVEYS, CANADA & MFD. BY PHOTO SURVEYS CORP., TORONTO ON. USED BY ENERGY, MINES & RESOURCES (EMR) CANADA IN 250,000 SERIES RECONNAISSANCE MAPPING PROJECT (AS PER MR. L. SEBERT) - Function
-
TO PROJECT STEREOSCOPIC MODEL IN ORDER TO INTERPRET, MEASURE & PLOT DATA GATHERED FROM AERIAL SURVEY PHOTOGRAPHS. - Technical
-
DESIGN PERMITS A CLOSE-SPACED PATTERN OF LUMINOUS DOTS TO BE PROJECTED & FORMS AN ELEVATION REFERENCE PLANE IN THE STEREOMODEL. THE 2 PROJECTORS ARE RAISED OR LOWERED IN UNISON, MOVING MODEL DATUM WITH RESPECT TO THE REFERENCE PLANE. CONTOURS & PLANIMETRIC DETAIL ARE TRACED FREEHAND ON MAP SHEET ON TABLE BELOW (REF.1) "The Gamble stereoplotter was designed by Samuel G. Gamble, Dept. of Mines & Technical Surveys, Canada, & mfd. by PSC Applied Research Ltd., of Toronto, Canada. This instrument utilizes either multiplex or Balplex projectors to form the stereomodel in anaglyphic projection. A very close-space pattern of luminous dots is projected to form an elevation reference plane in the stereomodel. Raising & lowering of the projectors in unison moves the model datum with respect to the projected elevation reference plane. Contours & planimetric detail are traced freehand on a map sheet mounted directly upon two supporting tables. The handheld tracing pencil thus becomes the floating mark in the projected model." (Ref. 1, p.560) - Area Notes
-
Unknown
Details
- Markings
- LABEL ON BEAM READS: 'EMR/ INVENTORY CONTROL/ R.C./ C.R. 634 007053/ EQ. CODE6675-21-AAA-0267' & FRENCH TEXT.
- Missing
- N/A
- Finish
- COMPONENTS SILVER METAL/ MOST OTHER PARTS HAVE DRAB-GREEN CRINKLE TEXTURED FINISH
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
PSC APPLIED RESEARCH LTD., Support, circa 1955–1965, Artifact no. 1987.1185, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1987.1185.002/
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