Projector
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1996.0171.001
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- OBJECT TYPE
- ANAGLYPH
- DATE
- 1945
- ARTIFACT NUMBER
- 1996.0171.001
- MANUFACTURER
- Williamson Mfg. Co. Ltd.
- MODEL
- WILLIAMSON ROSS S.P. 3
- LOCATION
- London, England
More Information
General Information
- Serial #
- MPC 2002
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- STEEL, BRASS & OTHER METALS. GLASS OPTICAL ELEMENTS - BOTH.1-.2. STORED IN WOODE CASE; SOME AREAS PADDED WITH FELT
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 64.5 cm
- Width
- 19.0 cm
- Height
- 35.3 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
- Williamson
- Country
- England
- State/Province
- Unknown
- City
- London
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- THIS TYPE OF PROJECTOR USEDC.1945-1970S.
- Canada
-
FIRST PHOTOGRAMMETRIC PLOTTER PURCHASED & USED FOR CIVILLIAN MAPPING WORK IN CANADA WAS WILLIAMSON ROSS SP-3 [NMST NO. SP0940]. IT WAS BOUGHT BY EMR IN 1948. THIS PROJECTOR MAY BE ORIGINAL TO PLOTTER [SP0940 INCOMPLETE WHEN ACQUIRED FROM EMR IN 1987]. - Function
-
TO PROJECT THE IMAGE OF A PHOTOGRAPH OR DRAWING ONTO A TABLE, WHERE IT CAN BE TRACED OR COMPARED WITH ANOTHER DRAWING. - Technical
-
WILLIAMSON ANAGLYPH PLOTTING INSTRUMENTS WERE EXTREMELY SUCCESSFUL & SOLD WORLDWIDE. ROSS-WILLIAMSON SP-3 INTRODUCED IN 1945, & DESIGNED TO USE 6-INCH (WIDE ANGLE) PHOTOGRAPHY. THEY WERE USED IN COMBINATIONS OF 2-14 PROJECTORS: BASIC DESIGN PRINCIPLES REMAINED ALMOST UNCHANGED INTO 1970S. IMPROVEMENT/MODIFICATIONS TO WILLIAMSON EQ. CONCERNED CHIEFLY WITH IMPROVING OVERALL ILLUMINATION OF MODEL AREA, & WITH THE SEPARATION OF 2 IMAGES (SEE SP0940 S.I.FILE). THESE SMALL PROJECTORS DID PERMIT ILLUMINATION OF TOTAL DIAPOSITIVE AREA - Area Notes
-
Unknown
Details
- Markings
- .1 MFR'S PLATE SCREWED TO BASE READS: 'WILLIAMSON MANUFACTURING CO. LTD./ PHOTOGRAPHIC ENGINEERS/ TYPE M.P.C./ SERIAL No. 2002/ LONDON & READING/ LITCHFIELD GARDENSWILLESDEN GREEN, N.W.10'/ HORIZONTAL ADJUSTMENT SCALE DIVIDED 0-100+, BY SINGLE INCREMENTS. VERTICAL ADJUSTMENT SCALE DIVIDED 0-40, BY SINGLE INCREMENTS. 'ROSS/ LONDON/ NO. 229367 W.A. PROJ.LENS' INCISED AROUND LENS/.2 'MPC/ 2047' HANDWRITTEN IN PENCIL ON MASKING TAPE APPLIED TO CASING/ PT CASE: 'WILLIAMSON-ROSS/ PROJECTOR UNIT TYPE S.P.3/ MADE BY/ WILLIAMSON MANUFACTURING CO. LTD./ LITCHFIELD GARDENS/ WILLESDEN GREEN, LONDON, N.W. 10' STENCILLED IN WHITE ON CASE. 'S-3' HANDWRITTEN IN YELLOW ON CASE END.
- Missing
- UNKNOWN - NOT COMPLETE. MISSING RED & BLUE FILTERS; LAMP HEAD; PROJECTOR BULB
- Finish
- .1 PREDOMINANTLY BLACK WRINKLE FINISH, SAVE FINE ADJUSTMENT, TIP, TILT & SWING CONTROLS. SCALES, CARRIAGE & SELECTED COMPONENTS SILVER METAL/.2 SMOOTH, HIGHLY REFLECTIVE BLACK FINISH APPLIED TO CASING EXTERIOR. PT CASE PAINTED BLACK; NATURAL WOOD INTERIOR, WITH SOME GREEN FELT PADS/LINERS.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Williamson Mfg. Co. Ltd., Projector, after 1945, Artifact no. 1996.0171, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1996.0171.001/
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