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).
Price list for various instrument board configurations and their individual components.
| Identifier | ExFiles\Box 62\2\ scan0027 | |
| Date | 13th January 1932 | |
| X6135 13.1.32. Smith's Instrument Board. Instruments complete (including A.T. speedometer) with photographic process dials. approx. £7. 3. 6d. nett. -------- Instruments complete as above but with Smith standard dials. £5. 7. 6. nett. -------- ditto if cheaper speedometer is used. £4. 12. 6. nett. -------- R.R. 40/50 Instrument Board. Patch £3. 7. 9. Speedometer. £4. 0. 0. Clock £2. 15. 0. (Watford) Ammeter £1. 18. 0. Thermometer £2. 17. 0. Oil gauge 14. 0. Petrol gauge £2. 2. 6. Total. £17. 14. 3 Instruments complete - £14. 6. 6d. -------- | ||