Balance, torsion
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1987.2131.001
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- OBJECT TYPE
- DOUBLE BEAM/PHOTOGRAPHIC
- DATE
- 1928
- ARTIFACT NUMBER
- 1987.2131.001
- MANUFACTURER
- Askaniawerke AG Bambergwerk
- MODEL
- Askania
- LOCATION
- Berlin-Friedenau, Germany
More Information
General Information
- Serial #
- 609
- Part Number
- 1
- Total Parts
- 11
- AKA
- N/A
- Patents
- N/A
- General Description
- PRIMARILY METAL CONSTRUCTION. GLASS OPTICS & LEVEL TUBE ON.1 STORAGE CASES ARE WOOD:.1PT &.7PT CASES HAVE METAL EXTERIOR. SEE SUPP.INFO. FOR INDIVIDUAL ASSESSMENTS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 82.0 cm
- Width
- 63.0 cm
- Height
- 27.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Physics
- Category
- Geophysics
- Sub-Category
- N/A
Manufacturer
- AKA
- Askania
- Country
- Germany
- State/Province
- Unknown
- City
- Berlin-Friedenau
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- THIS BALANCE USED BETWEEN 1928-1935. THIS TYPE OF INSTRUMENT USED DURING 1920S-1930S
- Canada
-
ONE OF TWOEOTVOS-TYPE TORSION BALANCES PURCHASED FOR JOINT USE OF DOMINION OBSERVATORY & GEOLOGICAL SURVEY. THESE INSTRUMENTS WERE AMONG THE FIRST IN CANADA. A.H. MILLER (1886-1962), USED THESE BALANCES, AND OTHER EQ. IN SOME OF THE EARLIEST GRAVITY SURVEYS AND ISOSTACY STUDIES CONDUCTED IN CANADA (REF.2) SEE ALSO 872121 - Function
-
USED TO MEASURE THE GRADIENT OF GRAVITY IN A HORIZONTAL DIRECTION - Technical
-
TORSION BALANCE DEV'T BY BARON ROLAND VON EOTVOS OF HUNGARY, AND BECAME A MAJOR TOOL OF GEOPHYSICAL PROSPECTING IN L.1920S-E.1930S. THE ASKANIA TORSION BALANCE WAS DESIGNED TO RECORD OBSERVATIONS PHOTOGRAPHICALLY, AS WELL AS PERMITTING VISUAL OBSERVATIONS. - Area Notes
-
Unknown
Details
- Markings
- I. PLATE ON UNIT FRONT READS: 'Attention/ Observe succession/ unclamping [/ 1 at the tubes/ II at the box/ clamping]/ 1 at the box/ II turn back 1/2 rotation/ III at the tubes/ IV finally at the box.' STAMPED INTO ONE SIDE PANEL OF CASING IS: '[Askania logo]/ Askaniawerke A.G. BAMBERK Berlin-Friedenau Nr. 97687/ Made in Germany/ 609/1'. PHOTOGRAPHIC PLATEMOUNTING CONTROLS 'visualle' & 'photo'; SCALE MOUNTED BELOW BED DIVIDED 0-200 (TO CORRESPOND WITH.3-.4). TORSION WIRE BEAMS, ETC. BEAR NUMBER/LETTER DESIGNATIONS. GLASS VIAL OF TUBE LEVEL DIVIDED BY SINGLE INCREMENTS & LABELLED '0-25'
- Missing
- APPEARS COMPLETE, HOWEVER THE BALANCE WAS OPERATED WITHIN A PORTABLE HUT, IN ORDER TO SHIELD IT FROM WIND, TEMP., ETC. From CA of 02/05/2002 by Matthew Bruce: No - appears complete
- Finish
- MOST PIECES HAVE GREY ENAMEL PAINTED FINISH. EXTERIOR OF ALL CRATES AND STORAGE CASES IS GREY; STAINED & VARNISHED WOOD INTERIORS. SMALLER ACCESSORY CASES ALL STAINED & VARNISHED. .
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Askaniawerke AG Bambergwerk, Balance, torsion, before 1928, Artifact no. 1987.2131, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1987.2131.001/
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