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 obtain Rose Bengal to create a lightly conductive solution for testing H.T. spark gaps.
| Identifier | ExFiles\Box 63\1\ scan0205 | |
| Date | 10th July 1929 | |
| X3035. Roy.{Sir Henry Royce} from EFC. EFC1/AD10.7.29. Will you please obtain for us from The British Drug Houses Ltd. Graham St.{Capt. P. R. Strong} City Rd. London N.1. 10 grms. of Rose Bengal, otherwise known as Tetraiodochlorofluorescin. the price of which, we understand, is 3/8d. This is required to make a lightly conductive solution as an artificial leak across H.T. spark gaps. EFC. | ||