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BS 852:1939

Current
Current

The latest, up-to-date edition.

Specification for toolmakers\' straightedges
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

19-06-1939

Publisher

British Standards Institution

NO CONTENTS SECTION

Straightedges of short length for very accurate work, having one working edge which is bevelled and very slightly rounded off (\'knife-edge\'). Material, general features, finish, accuracy, handles, glass test plate, case, packing, marking.

This Specification applies to toolmakers’ straightedges of short length intended for very accurate work, and having one working edge, which is bevelled and very slightly rounded off (commonly described as a “knife-edge??).

NOTE The attention of the purchaser is drawn to the necessity for indicating, in his enquiry and order, his particular requirements in regard to type and length, and whether a test plate (see Clause 6) is required.

Committee
TPR/1
DevelopmentNote
Reviewed and confirmed by BSI, February 2012. (01/2012)
DocumentType
Standard
Pages
10
PublisherName
British Standards Institution
Status
Current

Standards Relationship
AS B72-1940 Identical

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BS 870:1950 Specification for external micrometers
BS 1734:1951 Specification for micrometer heads
BS 957-1:1941 Specification for feeler gauges Inch units

BS 959:1950 Specification for internal micrometers (including stick micrometers)
BS 957-2:1969 Specification for feeler gauges Metric units
BS 888:1950 Specification for slip (or block) gauges and their accessories
BS 957-1:1941 Specification for feeler gauges Inch units
BS 1054:1954 Engineers comparators for external measurement
BS 870:1950 Specification for external micrometers
BS 906-2:1972 Specification for engineers\' parallels. Imperial units
BS 818(1963) : LATEST CAST IRON STRAIGHT EDGES (BOW SHAPED AND I-SECTION)
BS 939:1962 Specification for engineers\' squares (including cylindrical and block squares)
BS 907(1955) : LATEST
BS 817(1939) : LATEST
BS 906-1:1972 Specification for engineers\' parallels Metric units
BS 887:1950 Specification for precision vernier callipers
BS 1643:1950 Specification for precision vernier height gauges
BS 869:1939 Toolmakers\' flats and high precision surface plates.
BS 863(1939) : LATEST STEEL STRAIGHTEDGES OF RECTANGULAR SECTION
BS 958:1941 Precision levels for engineering workshops

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