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).
Sample of Jackson's Impervo Puncture Seal being sent to Mr. Hives for testing.
| Identifier | ExFiles\Box 77\4\ scan0133 | |
| Date | 19th August 1922 | |
| S/W. Mr. Hives. X4542 PN{Mr Northey}1/EP{G. Eric Platford - Chief Quality Engineer}/19.8.22. Re:- JACKSON'S IMPERVO PUNCTURE SEAL. Reference Hs{Lord Ernest Hives - Chair}4/LG14.8.22. I have instructed Jackson's Impervo to send you a sample. I am anxious to know personally, the results of this test. Will you therefore keep me fully acquainted? Hs{Lord Ernest Hives - Chair} PN.{Mr Northey} RECEIVED | ||