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).
Philco car radio aerials, focusing on the external roof model.
| Identifier | ExFiles\Box 168b\1\ img253 | |
| Date | 22th April 1940 guessed | |
| PHILCO CAR RADIO AERIALS For all makes and types of cars and car radio . PHILCO ROOF AERIAL (External) FOR best reception, the Philco External Roof Aerial is generally recommended, as it gives maximum signal pick-up with little susceptibility to interference radiations. It | ||