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).
Requesting the construction of a switchbox for the 'Spectre' chassis, listing required parts.
| Identifier | ExFiles\Box 166\3\ img029 | |
| Date | 17th September 1934 | |
| RHC{R. H. Coverley - Production Engineer} C. Hs{Lord Ernest Hives - Chair}/Wst. r6090. BY/RD4/W.17.9.34. "SpectreCodename for Phantom III" Switchbox, Section 8160. R.R.Schs. 626, 713, 724. Will you please put in hand one Switchbox for bench test and any further ones which you may require for "SpectreCodename for Phantom III" chassis, in accordance with L.O.P. D.74674, which includes new details made to the above schemes. The above schemes include all the improvements requested in the experimental report on the first switchbox, and also modifications to enable the ignition switch to deal with all the required positions. Blue prints of all the new details, which are as follows, are attached hereto :- E.15958. Bolt for Pump Drive Bearings. D.{John DeLooze - Company Secretary} 1293. Rivet for D.1292. D.{John DeLooze - Company Secretary} 1872. Insulating Bush. D.74618. Switch Body. D.74619. Switch Base. D.74620. Arrgt. of Vaughan Lock. D.74621. Operating Spindle, Main. D.74622. Bush, Main Spindle. D.74623. Locking Cam. D.74624. Insulating Bush, Main Spindle. D.74625. Insulation Washer, Main Spindle. D.74626. Operating Spindle, Ign. Switch. D.74627. Ignition Cam, "A" Unit Ignition. D.74628. Ignition Cam, "B" Unit Ignition. D.74629. Warning Light Cam, Ignition. D.74630. Contact Finger, Ignition. D.74631. Bush, Ign. Contact Finger. D.74632. Spring, Ign. Contact Finger. D.74633. Connector, Ign. Contact Finger. D.74634. Backing Plate, Ign. Contact Finger. D.74635. Pivot Pin, Ign. Contact Finger. D.74636. Support Bracket, Ign. Contact Finger. D.74637. Contact, "A" Unit Ignition. D.74638. Contact, "B" Unit Ignition. D.74639. Contact, Ign. Warning Light. D.74640. Insulation Strip, "A" & "B" Ign. Contacts. D.74641. Insulation Strip, Ign. Contacts. D.74642. Insulation Strip, Ign. Warning Light. D.74643. Insulation Bush, Ign. Contacts. D.74644. Cheese-Head Screw, 3 B. Contact. D.74645. Stud, Securing Cover and Base. ( Contd :- | ||