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 specifications of various grease gun types.
| Identifier | ExFiles\Box 42\5\ Scan095 | |
| Date | 5th April 1921 | |
| X-3898 Mr. Hives. from GWH.{George W. Hancock - Head Chateauroux} 5.4.21. X898 X 4337 Grease Gun Particulars. R.R. screw-on type - makers E.H.Hill. Barrel 9" long 1 1/2" dia. Screw 14 T.H. per inch 3/4" dia. Spring grip type - makers - Andre. Barrel 5 1/4" long 2" dia. Screw 8 turns to inch 7/16" dia. square thread. Plunger screws up and down. U.S.A. Alemite. Barrel 6" long 2 7/8" dia. Screw 20 T.H. per inch. 7/16" dia. GWH.{George W. Hancock - Head Chateauroux} | ||