Theodolite

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Ingenium, 1987.0809.001
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OBJECT TYPE
BALLOON/PORTABLE/BATTERY POWERED
DATE
1948
ARTIFACT NUMBER
1987.0809.001
MANUFACTURER
Watts, E.R. & Son Ltd.
MODEL
B-1
LOCATION
London, England

More Information


General Information

Serial #
61524
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
METAL THEODOLITE/ GLASS AND SYNTHETIC PARTS/ WOOD CASE WITH FELT PADDING AND BRASS HARDWARE

Dimensions

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

Length
32.5 cm
Width
27.0 cm
Height
23.2 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Meteorology
Category
Upper wind speed & direction measurement
Sub-Category
N/A

Manufacturer

AKA
Watts
Country
England
State/Province
Unknown
City
London

Context

Country
Canada
State/Province
Unknown
Period
1940'S TO 1950'S
Canada
USED BY CANADIAN METEOROLOGICAL SERVICE FOR OBSERVING CANADIAN METEOROLOGICAL PHENOMENA.
Function
INSTRUMENT WITH TELESCOPIC SIGHTS FOR ESTABLISHING HORIZONTAL OR VERTICAL ANGLES, USED TO FOLLOW DRIFT OF PILOT BALLOONS TO DETERMINE UPPER ATMOSPHERIC WIND SPEED AND DIRECTION.
Technical
THE MSC TYPE B-1 THEODOLITE WAS AN E.R. WATTS INSTRUMENT MODIFIED BY MSC.
Area Notes
Unknown

Details

Markings
Incised lettering on base reading 'E.R. WATTS & SON LTD./ LONDON' & 'NO 61524'/ plates on base reading 'M.S.C. TYPE B-1/ NO. 61524' & 'MADE FOR/ INSTRUMENTS LTD./ OTTAWA & TORONTO/ MADE IN ENGLAND'/ interior case plate with logo and reading 'ENGINEERS & SURVEYORS', 'INSTRUMENTS & SUPPLIES', & 'E.R. WATTS & SON LTD./ 123, Camberwell Rd. London, England'/ decal reading 'BALLOON THEODOLITE/ INSTRUMENT NO. 61524 DATE 5/8/48 / GRATICULE MARKINGS 1 IN 100/ IMPORTANT: REMOVE BATTERY CELLS FROM INSTRUMENT/ AS SOON AS THEY ARE EXHAUSTED'/ part of decal obscured by typewritten instruction note.
Missing
CASE INTERIOR SUPPORT PIECES DETACHED, MISSING/ ACCESSORIES From CA of 12/17/1993 by Tony Missio: Undetermined
Finish
BLACK WRINKLE AND BLACKENAMEL FINISHED THEODOLITE/ BRUSHED METAL, PLATED AND BRASS COLOURED PARTS/ VARNISHED WOOD CASE WITH GREEN PADDING
Decoration
N/A

CITE THIS OBJECT

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

Watts, E.R. & Son Ltd., Theodolite, 1948, Artifact no. 1987.0809, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1987.0809.001/

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