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 33\1\ Scan102 | |
| Date | 2nd February 1922 | |
| Hs.{Lord Ernest Hives - Chair} from R.{Sir Henry Royce} X1775 R1/M6.2.22. RE CLOCKS. H775 X204P X3407 Will you kindly send me 1 small brass sleeve like this - (original for sketch). i.e. a piece of brass rod 9/32" dia. 1/4" 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 3.BA, or .187" dia. for 2.BA, 40" long. R.{Sir Henry Royce} | ||