Transit
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1968.0318.001
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- OBJECT TYPE
- N/A
- DATE
- 1905–1921
- ARTIFACT NUMBER
- 1968.0318.001
- MANUFACTURER
- Troughton & Simms
- MODEL
- S.G.
- LOCATION
- London, England
More Information
General Information
- Serial #
- 62086 (LENS)
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- METAL & GLASS CONSTRUCTION, CW WOOD & METAL TRIPOD & CASE.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 20.0 cm
- Width
- N/A
- Height
- 20.3 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Exploration and Survey
- Category
- Measurement-angles
- Sub-Category
- N/A
Manufacturer
- AKA
- Troughton Simms
- Country
- England
- State/Province
- Unknown
- City
- London
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- THIS INSTRUMENT PROBABLY USED C. 1905 TO 1930S, AND POSSIBLY LATER.
- Canada
-
"SURVEYOR GENERAL" PATTERN INSTRUMENT, USED ON DOMINION LAND SURVEYS. IT MAY HAVE BEEN DESIGNED/MODIFIED SPECIFICALLY FOR USE ON DOMINION LAND SURVEYS IN PRAIRIE PROVINCES. - Function
-
USED TO MEASURE VERTICAL & HORIZONTAL ANGLES. - Technical
-
STANDARD TROUGHTON & SIMMS INSTRUMENT MODIFIED BY ADDITION (REPLACEMENT ?) OF STEINHEIL OBJECTIVE LENS. FITTED WITH HORIZONTAL & VERTICAL CIRCLES; 1 VERNIER ON VERTICAL CIRCLE; 2 VERNIERS ON HORIZONTAL CIRCLE. TRANSITS AT EYEPIECE END ONLY. OPTICAL QUALITY OF INVERTEDIMAGE & PRECISION OF FOCAL POINT ARE EXCEPTIONAL. - Area Notes
-
Unknown
Details
- Markings
- " Troughton & Simms London England" incised on instrument; also "T.S. 2858" & "342". "G.S.C. 28.1" incised on tripod fitting; "G.S.C. 3" incised on underside of tripod fitting. "Steinheil Munich Germany" insiced on lens. "DOM OBS 342" incised on case. / For other markings, see documentation in supp. info. file.
- Missing
- ORIGINAL OPTICS (OBJECTIVE LENS) AND TRIPOD HEAD FITTING.
- Finish
- Unknown
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Troughton & Simms, Transit, circa 1905–1921, Artifact no. 1968.0318, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1968.0318.001/
FEEDBACK
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