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).
Promotional brochure for the Tropic-Aire hot water automobile heater.
| Identifier | ExFiles\Box 15\6\ Scan093 | |
| Date | 18th December 1929 guessed | |
| Get Yours Now TROPIC-AIRE HOT WATER AUTOMOBILE HEATER A Model For Every Car Sold by Printed in U.S.A. Form 304--100M TROPIC-AIRE HOT WATER AUTOMOBILE HEATER for Warm, Comfortable Driving in Coldest Weather TROPIC~AIRE INC. 60 Eleventh Ave. N.E. Minneapolis Minn. TROPIC-AIRE The Original Fan-Equipped HOT WATER AUTOMOBILE HEATER Means Home Temperature in Coldest Weather Electric Fan Circulation Controlled by Handy Switch No Fumes, No Odors, No Carbon Monoxide Gas Proved by two years' use in automobiles, busses and taxicabs A Model for Every Car | ||