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).
Specification sheet listing various automotive components and their associated numbers.
| Identifier | ExFiles\Box 124\1\ scan0217 | |
| Date | 24th July 1939 guessed | |
| SPECIFICATION. Specification No. SD.80/5 Sheet No. 10. Issue No. 1 Sec.No. | Title. | Description. | Design No. | Dtls. iss. LOP. NO. | Remarks. --- | --- | --- | --- | --- | --- 8270 | Heater. | R.R.Marston. No Defroster. | | DW.931. | 8120 | Ignition Dist. and Condenser. | R.R.Distributor. | DCD.1154. | DB.{Donald Bastow - Suspensions}2298. | 8140 | Ignition coil. | Std. B.V. | | D.75673. | 8150 | Ballast Resistance. | Std. B.V. | | DW.296. | 8160 | Switchbox. | Std. B.V. | | DB.{Donald Bastow - Suspensions}2272 | But with Key Guard DW.868 instead of DB.{Donald Bastow - Suspensions}2078. 8170 | Distribution Board. | Std. B.V. | | DW.536 | 8230 | Stop Lamp sw. & Rev. Lamp switch. | Std. B.V. | | DW.236 | 2 Units. 8280 | Lamps and Horns. | R 100 Headlamps. "Built in" Winglamps as B.V. "Box Type" Number plate, and tail Lamp. FT 67. Centre Lamp. | | | 8290 | Regulator and cutout. | Std. B.V. | | DB.{Donald Bastow - Suspensions}1922. | 8300 | Petrol Pump. | Std. B.V. | | DB.{Donald Bastow - Suspensions}1936. | 8310 | Petrol Reserve Tap. | | | DW.842. | | ||