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).
Parts list for the No.29 Jack (Dunlop) assembly drawing 20842.
| Identifier | ExFiles\Box 139\2\ scan0358 | |
| Date | 18th October 1935 guessed | |
| NO.29 JACK (DUNLOP) Assembly drawing 20842. 1. Body. Silico-Aluminium Casting (Black Enamel Finish) Dwg:20841. 1. Sleeve. Mall. Iron Casting. Treatment-see drawing. Plated finish. Dwg: 12008. 1. Guide Tube. Weldless Steel Tube. Cold drawn A & P.No.940. (Plated finish) Dwg: 41304. 1. Inner Screw. .35 Carbon Steel Bar. Treatment - see dwg: Dwg:41305. 1. Outer Screw. .35 " " " " " " " " Dwg:41306. 1. Bevel Wheel. Millenite Casting. Dwg: 12006. 1. Bevel Pinion. " " (Plated end) Dwg: 12007. 1. Base Plate. M.Steel Stamping. Dwg: 41307. 1. Base Bearing. Case Hardening M.Steel. Treatment - see dwg: 41308. 1. Top. M.Steel Stamping. Dwg: 41309. (Plated finish) 1. Top Keep Plate. 40/50-ton Bright Steel Plate. Treatment - see dwg: 41310. (Plated finish) 4. Top Screws. Type 'U' Parker-Kalon Hardened Drive Screw No.8. Type 15 Head. 1. Screw Stop Pin. Silver Steel. 1. Wheel Drive Screw. Type 'U' Parker-Kalon Hardened Drive Screw No.14. Type 14 Head. 4. Base Screws. 3/16" x 24.thd.Countersunk Head. Steel. 1. Pinion Washer. 40/50-ton Bright Steel Plate. Treatment - see dwg: 41318. 1. Pinion Spring Ring. Spring Steel. Dwg: 41319. 1. Handle Socket. Weldless Steel Tube 'B' quality. (Plated finish) Dwg: 41316. 1. Handle Straight Rod. Bright M.S.Bar. (Plated finish) Dwg: 41311. 1. Handle Cranked Rod. Bright M.S.Bar. " " " 41312. 1. Hinge Plate. Black M.S.Strip. (Plated finish) Dwg: 41313. 1. Sleeve. Bright M.S.Bar. (Plated finish) Dwg: 41314. | ||