From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Drawing of a rectangular instrument unit with a hairpin spring fixing mechanism.
| Identifier | ExFiles\Box 61\3\ scan0048 | |
| Date | 16th June 1930 | |
| Spring Strap for Holding Body & Frame Together. 45° Connector to Top of Adjusting Tube. Hair Pin Spring for Securing Instrument to panel. TOLERANCE ON MACHINING DIMENSIONS ± .010" UNLESS OTHERWISE STATED. H.{Arthur M. Hanbury - Head Complaints} M.{Mr Moon / Mr Moore} HOBSON LTD. 47-55, THE VALE, ACTON, W. 3. RECTANGULAR D.U. WITH HAIR PIN SPRING FIXING. 16 JUN 1930. MACHINE ALL OVER WHERE MARKED F.{Mr Friese} MATERIAL VARIOUS. SPECIFICATION. DRAWN J.S.L. TRACED. CHECKED W.G.L. DATE 16-6-30. THIS DRAWING CANCELS DRAWING. K.S. 6300. | ||