Electrical potential measurements for headlamp circuits.
| Identifier | ExFiles\Box 168b\2\ img221 | |
| Date | 1st December 1924 | |
| RR 23a (150 BKS.) (OD 461-9. 12. 24) MP 30975 ROLLS-ROYCE LTD. INSTRUCTIONS. To__________________19 Order No.____________ Customer's No. 3 Potentials to earth (Hdr or Lamps on) Terminal 6 (dist-box) 12.1 v Headlamp fuse 11.0 v Headlamps 10.8 v Potential differences (measured direct) Terminal 6 to Headlamp 1.3 v Headlamp fuse to Headlamp 0.2 v In all cases, connection for headlamp potential was made at the termination of the headlamp chassis cable. Signed H.A. This Sheet must be filed on completion of the work. | ||
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).