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).
Request to wire for and obtain lamp bulbs and batteries for an apparatus for a Cambridge thermometer test.
| Identifier | ExFiles\Box 63\1\ scan0206 | |
| Date | 4th July 1930 | |
| X3035 Roy{Sir Henry Royce}/Ms. from EFC. EFCl/ADl.4.7.30. Please wire the G.E.Co. for two S.7588 (8-9 volt 1.6 watt .2 ampere) lamp bulbs (with M.E.S.caps). Please also obtain immediately one 8-volt dry battery or two 4-volt flash lamp units. These are urgently required for apparatus to send to Farnborough in connection with a Cambridge thermometer test with indicating lamp. Received and apparatus sent. EFC. | ||