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).
The blueprints and required parts for an 'Abney' Level Mounting.
| Identifier | ExFiles\Box 146\1\ scan0205 | |
| Date | 10th March 1938 | |
| 1245 260. Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} HPS.{Horace Percy Smith - Experimental Factory Mgr} BY/Ald.{F. Allwood - Experimental Design}21/G.10.3.38. F.J.H. "ABNEY" LEVEL MOUNTING. Please receive herewith two blueprints of each of the following :- S.CD.493 Bracket for "Abney" Level. 1 off. Ex.S.565 Spindle 1 off. Ex.S.566 Adaptor 1 off. Ex.S.567 Bracket for Adaptor. 1 off. Ex.S.568 Bracket. 1 off. Ex.S.569 " 1 off. Ex.S.570 Bolt 1 off. Ex.S.571 Bolt 1 off. Ex.S.572 Stop 1 off. The above have been detailed from S.CD.493 in accordance with memo Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}11/JH.1.3.38. ? The following existing parts will also be required :- F.9551 Wing Nut 1 off. D.71885 " " 1 off. E.76393 Spring 1 off. K.4407 Washer 1 off. K.4446 " 1 off. K.3803 " 1 off. K.4304 Nut 1 off. K.1806 Cheese Headed Screw. 1 off. Please instruct one set. all BY/Ald.{F. Allwood - Experimental Design} | ||