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).
Curve showing the variation of DC volts with the position of a hand lever on a cam for a B.T.H. Magneto Type FM6.
| Identifier | ExFiles\Box 4\5\ 05-page361 | |
| Date | 6th February 1923 | |
| B.T.H. MAGNETO TYPE FM6 No 356071 CURVE SHOWING VARIATION OF D.C. VOLTS WITH POSITION OF HAND LEVER ON CAM NOTE. SLEEVES RIGIDLY FIXED TO LEVER. VOLTS. (SPEED 200 R.P.M.) POSITION OF MAXIMUM FLUX THROUGH ARMATURE LEVER POSITION ADVANCE 10° 20° 30° 40° RETARD. DRG. No. / 6.2.23 C.R.C. / F.U. 28 | ||