Theodolite
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1991.0126.001
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- OBJECT TYPE
- BALLOON/PORTABLE
- DATE
- Unknown
- ARTIFACT NUMBER
- 1991.0126.001
- MANUFACTURER
- Keuffel & Esser Co.
- MODEL
- Unknown
- LOCATION
- New York, New York, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- .1 METAL BODY WITH GLASS OPTICS & SYNTHETIC PARTS, MOUNTED ON SYNTHETIC PLATE/.2 METAL WITH SYNTHETIC PARTS, MOUNTED ON SYNTHETIC PLATE/ WOOD BRACE FOR.2/ METAL CASE Metal body is painted with Radon paint, The glass optics are made with Thorium. There is another unknown radioactive element that is blue. (Briana Ippolito 2021)
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 27.5 cm
- Width
- 21.2 cm
- Height
- 33.3 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
- Keuffel Esser
- Country
- United States of America
- State/Province
- New York
- City
- New York
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
Unknown - Function
-
INSTRUMENT WITH TELESCOPIC SIGHTS FOR ESTABLISHING HORIZONTAL & VERTICAL ANGLES, USED TO FOLLOW DRIFT OF PILOT BALLOONS TO DETERMINE UPPER ATMOSPHERIC WIND SPEED & DIRECTION. - Technical
-
A KEUFFEL & ESSER SHIPBOARD THEODOLITE WAS USED BY THE BRITISH & U.S. BNAVIES IN THE 1940'S & 1950'S (1). THIS IS POSSIBLY A THEODOLITE OF THIS TYPE. - Area Notes
-
Unknown
Details
- Markings
- INCISED WHITE LETTERING ON THEODOLITE READS: 'KEUFFEL & ESSER CO./ NEW YORK/ 87202/ PAT. 1,743,979'/ INCISED LETTERING ON LOWER EDGE READS 'Aero-1938-USN 248-44'/ PLATE ON CASE READS 'KEUFFEL & ESSER CO./ NEW YORK HOBOKEN/ CHICAGO DETROIT ST. LOUIS/ SAN FRANCISCO LOS ANGELES MONTREAL/ 88597'/BLACK STAMPED '6675 00 602 7205' ON CASE IS CROSSED OFF & REPLACED BY HANDWRITTEN RED '6660-21-559-7038'; CASE ALSO STAMPED 'THEODOLITE/ B/ 11/10/63/QTY. 1'
- Missing
- From CA of 01/21/1994 by Tony Missio: No - Complete
- Finish
- BLACK CRINKLE FINISH ON.1 & PARTS OF.2/ METALLIC,BRASS COLOURED, PLATED, & BLACK PAINTED METAL PARTS/ COLOURLESS, RED, BLUE, & BLACK GLASS/ BLACK SYNTHETIC/ CASE PAINTED GREY WITH BLACK HANDLE/ UNFINISHED WOOD
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Keuffel & Esser Co., Theodolite, Unknown Date, Artifact no. 1991.0126, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1991.0126.001/
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