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).
Telegram confirming the availability of a track for specific time slots.
| Identifier | ExFiles\Box 155\1\ scan0220 | |
| Date | 12th May 1936 | |
| POST OFFICE TELEGRAPHS. TIME OF RECEIPT: PM 1 17 From: TS Prefix: 86 Transmission Info: 186 12.35 WEYBRIDGE T 16 No.: 0159 Office Stamp: DERBY 12 MA 36 Telegram Message: ROBOTHAM ROYCAR DERBY = TRACK AVAILABLE FROM 12 TO 2.15 AND 4.30 TO 7 EACH DAY = BARKLUB Handwritten Note: 12 / 2.15 4.30 / 7 + | ||