1 matching record(s)
B (Stack)Robertson & Co., W. H. A.
The Robertson Guide to World Screw Thread Series Symbols
With illustrations of 180 World Screw Thread Forms. Compiled by the Small Part Division of W. H. A. Robertson & Co. Ltd. International Specialists in Dies and Chasers Lynton Works, Bedford, England; n.d. [1962?]. Presented by the Royal Microscopical Society Transferred to Bodleian, September 2017.
[1970-74]
1962?