BSI - BS 852
Specification for Toolmakers' Straightedges
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| Organization: | BSI |
| Publication Date: | 19 June 1939 |
| Status: | active |
| Page Count: | 10 |
| ICS Code (Measuring instruments): | 17.040.30 |
scope:
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.
Document History
BS 852
June 19, 1939
Specification for Toolmakers' Straightedges
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,...
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