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 for BAS Type Tungsten Filament Electric Lamps with dimensional drawings.
| Identifier | ExFiles\Box 166\4\ img045 | |
| Date | 1st August 1929 guessed | |
| (BAS) Type Tungsten Filament Electric Lamps Max. 40 mm. Min. 36 mm. Max. 60 mm. Min. 52 mm. Max. 30 mm. Min. 27 mm. FIG. A.{Mr Adams} - (BAS) Nos. 1, 2, 3 & 4. Max. 19 mm. Min. 17 mm. Max. 36 mm. Min. 29 mm. FIG. B. - (BAS) No. 8. Max. 23 mm. Min. 21 mm. Max. 40 mm. Min. 34 mm. FIG. C. - (BAS) Nos. 9 & 10. 3 Sheets. Sheet No. 1. No. 104R | ||