BS 852:1939
$86.31
Specification for toolmakers’ straightedges
| Published By | Publication Date | Number of Pages |
| BSI | 1939 | 10 |
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.
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.
