Alidade
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1985.0671.001
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- OBJECT TYPE
- TELESCOPIC
- DATE
- Unknown
- ARTIFACT NUMBER
- 1985.0671.001
- MANUFACTURER
- Watts, E.R. & Son
- MODEL
- Unknown
- LOCATION
- London, England
More Information
General Information
- Serial #
- 16099
- Part Number
- 1
- Total Parts
- 5
- AKA
- N/A
- Patents
- N/A
- General Description
- Alidade made of brass/glass balance vial and glass-covered trough compass/glass auxiliary level vial/case made from wood/synthetic carrying handle.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 34.0 cm
- Width
- 24.0 cm
- Height
- 12.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Exploration and Survey
- Category
- Measurement-direction
- Sub-Category
- N/A
Manufacturer
- AKA
- Watts
- Country
- England
- State/Province
- Unknown
- City
- London
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
Unknown - Function
-
Designed to afford accuracy in the control of the table and especially to make possible the stadia measuring distance. - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- .1: 'E.R. WATTS & SON./LONDON/ERW & S/No. 16099/INSTRUMENTS LTD./ OTTAWA & TORONTO' incised in base/'GSC 420' incised by hand in base/.3: 'AT Co./USA' appears in raised print on casing/Label inside case bears following info.: 'ENGINEERS'/AND'SURVEYORS'/INSTRUMENTS/AND/SUPPLIES./ERW & S/TRADE MARK/E.R. WATTS & SON, LTD./[illegible] Rd. London, England'/Transcript of markings continuedin Supp. Info.
- Missing
- Missing telescope/missing secondary pieces.
- Finish
- Majority of alidade is black/one bakelite balance knob, rest are brass coloured/case is varnished/brown colored synthetic.
- Decoration
- Mfg's logo design on base.
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Watts, E.R. & Son, Alidade, Unknown Date, Artifact no. 1985.0671, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1985.0671.001/
FEEDBACK
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