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).
Drawing of a Dispersive Lens and a Compensating Lens for headlamps.
| Identifier | ExFiles\Box 61a\1\ scan0391 | |
| Date | 20th March 1929 | |
| DRAWING NO. SK 199, SEE ALSO THE FOLLOWING OPERATION DRAWINGS, DISPERSIVE LENS: (BAUSCH & LOMB), COMPENSATING LENS: (TILT-RAY & DE PRESS), A, B, C, D, E, F, Stamp: OCT 30 1928, DRAWN BY TR{Capt. F. W. Turner - Finance}, TRACED BY, CHECKED BY, APPROVED BY, LIMITS, ROLLS-ROYCE OF AMERICA, INC., MODEL /, SEC 74601, WEIGHT, DATE 20 MAR 29, SCALE, HEAT TREAT, BRINELL, STANTON, TITLE HEADLAMP LENSES, MACHINE ALL OVER, MACHINE WHERE MARKED ///, MATERIAL, SPECIFICATION, NO. OFF | ||