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).
Request for a small brass sleeve and three 'Invara' steel rods for grandfather clock pendulums.
| Identifier | ExFiles\Box 34\4\ Scan151 | |
| Date | 7th February 1922 | |
| (S.D. 408. 26-4-17.) Bm. 2/156/13. X2048 To Hs.{Lord Ernest Hives - Chair} from R.{Sir Henry Royce} R1/116.2.22. [Handwritten note:] Received for entry by RR 7/2/22 D/RPR RE CLOCKS. Will you kindly send me 1 small brass sleeve like this:- [Text from diagram:] 9/32 dia 1/2" long hole to pass 1/8 Rod. brass rod 9/32" dia. 1/2" long. 1/8" hole through. Just a plain cylinder with flat ends limits + or - .010". I should be pleased if Mr. Whitehead could get me 3 steel rods "Invara", for Grandfather clock pendulums, .156"dia. for 3BA, or .187" dia. for 2BA, 40" long. R.{Sir Henry Royce} [Stamp:] Hs{Lord Ernest Hives - Chair} FEB 7 1922 | ||