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2002.0259.001
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- OBJECT TYPE
- SURVEYOR'S
- DATE
- 1935–1950
- ARTIFACT NUMBER
- 2002.0259.001
- MANUFACTURER
- Pocklington, Thomas Ltd.
- MODEL
- DOMINION
- LOCATION
- Toronto, Ontario, Canada
More Information
General Information
- Serial #
- 5518
- Part Number
- 1
- Total Parts
- 3
- AKA
- N/A
- Patents
- N/A
- General Description
- .1 BRASS (AND POSSIBLY OTHER METALS); GLASS OPTICS AND TUBE LEVEL CYLINDER..2 BRASS SUNSHADE..3 MAHOGANY WOOD CASE HAS FELT LINING ON SOME INTERNAL SUPPORTS; FITTED WITH LEATHER STRAP; METAL HARDWARE, INCLUDING BRASS NAMEPLATE; RUBBER FEET.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 46.5 cm
- Width
- 15.7 cm
- Height
- 26.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Exploration and Survey
- Category
- Measurement-distance
- Sub-Category
- N/A
Manufacturer
- AKA
- POCKLINGTON
- Country
- Canada
- State/Province
- Ontario
- City
- Toronto
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- THIS LEVEL MAY HAVE BEEN USED MID 1930S-1950, AND POSSIBLY LATER.
- Canada
-
SURVEYOR'S LEVEL MADE IN TORONTO, ONT. BY THOMAS POCKLINGTON LTD., ACTIVE C. 1925-1991, ONE OF FEW CANADIAN FIRMS WHICH MFD. SURVEY APPARATUS. - Function
-
USED TO MEASURE DIFFERENCE IN HEIGHT BETWEEN TWO POINTS. - Technical
-
INSTRUMENT IS STANDARD TYPE OF LEVEL USED BY SURVEYORS FOR DETERMINING DIFFERING HEIGHTS OF LAND FROM POINT TO POINT. BASIC CONCEPT & TECHNOLOGY IN EXISTANCE FOR APPROX. 4 CENTURIES: NOT SUPPLANTED UNTIL LASERS & RETROREFLECTOR CUBES ADOPTED IN 1960S-1970S. FITTED WITH 4 ADJUSTMENT FEET, FRONT OBJECTIVE FOCUSING, SUNSHADE, SIMPLE CROSSHAIRS FOR FOCUSING OF EYEPIECE, TUBE LEVEL, KEY FOR LOCKING ROTATION AND FINE ADJUSTMENT KNOB FOR ROTATION. (REF.1) - Area Notes
-
Unknown
Details
- Markings
- .1 "THOS. POCKLINGTON LTD./ TORONTO" and "DOMINION/ 5518" incised on level. Glass window of tube level is divided at regular intervals, but not labelled..2 No markings visible..3 "MADE BY/ THOS. POCKLINGTON LTD./ TORONTO" incised in brass plate on case front. "22" stencilled in black on one end panel. "15" stamped on plate, and inside case top.
- Missing
- NONEEVIDENT.
- Finish
- .1 BLACK FINE-WRINKLE TEXTURED PAINT FINISH ON MOST EXTERNAL SURFACES. CLEAR GLASS TUBE LEVEL WINDOW. NATURAL BRASS ADJUSTMENT SCREW FOR OBJECTIVE LENS; NATURAL BRASS LEVELLING FEET, OBJECTIVE LENS HOUSING, AND SELECTED ACCENTS..2 SAME BLACK WRINLE-TEXTURED PAINT FINISH ON EXTERIOR AS FOR.1; SMOOTH BLACK INTERIOR..3 WOOD CASE APPEARS VARNISHED ON EXTERIOR. BROWN LEATHER STRAP. GREEN FELT PADS. BRASS PLATE FIXED TO FRONT.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Pocklington, Thomas Ltd., Level, circa 1935–1950, Artifact no. 2002.0259, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/2002.0259.001/
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