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).
Order for three C.A.V. Bosch regulators with specific operating parameters.
| Identifier | ExFiles\Box 60\3\ Scan205 | |
| Date | 13th March 1933 | |
| x6044. Roy{Sir Henry Royce}/MS. From Hs{Lord Ernest Hives - Chair}/Wst. Hs{Lord Ernest Hives - Chair}/Wst.3/MA.13.3.33. C.A.V. REGULATORS. Will you please order for us from the C.A.V.-Bosch Ltd., 3 (three) C.A.V. Bosch regulators to the type B2H1, to the following specification:- Open circuit voltage to operate in a warm condition no more than 16 volts. We would be prepared to accept their limits of 14.9 to 15.6 if they cannot obtain our figure. When delivering current the regulators should operate at not more than 13.5 amperes, at 13 volts in a cold condition. (18°C.) The order should quote our letter, reference Hs{Lord Ernest Hives - Chair}/Wst.1/MA. of today's date. Hs{Lord Ernest Hives - Chair}/Wst. | ||