Testing of Measuring Tapes at the Bureau of Standards PDF Download
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Author: Lewis Van Hagen Judson
Publisher:
ISBN:
Category : Tape measures
Languages : en
Pages : 18
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Book Description
"The testing of the steel tapes used by the engineer and surveyor is done at the Bureau of Standards by comparison with a steel bench standard described in this paper. For the test of base-line tapes (usually made of invar with a length of 50 m) a much more elaborate apparatus is employed. This geodetic comparator is also described in detail. Results have shown that the length of 50 m invar base-line tapes can be determined with this apparatus to an accuracy such that the absolute errors of the certified result do not exceed 1 part in 1,000,000.
Author: Lewis Van Hagen Judson
Publisher:
ISBN:
Category : Tape measures
Languages : en
Pages : 18
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Book Description
"The testing of the steel tapes used by the engineer and surveyor is done at the Bureau of Standards by comparison with a steel bench standard described in this paper. For the test of base-line tapes (usually made of invar with a length of 50 m) a much more elaborate apparatus is employed. This geodetic comparator is also described in detail. Results have shown that the length of 50 m invar base-line tapes can be determined with this apparatus to an accuracy such that the absolute errors of the certified result do not exceed 1 part in 1,000,000.
Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Policy & analysis issues
Languages : en
Pages : 102
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Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Industrial safety
Languages : en
Pages : 1052
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Book Description
Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 970
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 210
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Author:
Publisher:
ISBN:
Category : Industrial safety
Languages : en
Pages : 1050
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Book Description
Author: Kasson Stanford Gibson
Publisher:
ISBN:
Category : Expansion of solids
Languages : en
Pages : 380
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Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category :
Languages : en
Pages : 388
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Author:
Publisher:
ISBN:
Category : Safety appliances
Languages : en
Pages : 284
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Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Calibration
Languages : en
Pages : 150
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