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 leaflet for VOCO Anti-Freeze detailing its benefits and application.
| Identifier | ExFiles\Box 151\3\ scan0205 | |
| Date | 26th April 1937 guessed | |
| VOCO ANTI-FREEZE REMEMBER how it happened? The night before— you forgot to drain your radiator—and the frost did the rest. A cracked cylinder block? Yes—it only requires one degree of frost in the water in your engine to do that to an unprotected cooling system. And on winter nights in the British Isles the ground temperature often drops to 30° below! So which is it to be? Drain your radiator every night or put VOCO ANTI-FREEZE in now—and forget all your troubles for the rest of the winter? VOCO ANTI-FREEZE is pink in colour and is a specially prepared product that you mix with water in a fixed proportion (see chart). You empty your radiator, close all taps again, and fill up with the solution. Providing there are no leaks, your cooling system remains protected against frost for the rest of the winter. The water simply cannot freeze on the coldest night—even if you leave your car ungaraged and unrugged! Put in your VOCO ANTI-FREEZE solution in November and forget it till April! VOCO ANTI-FREEZE is your best safeguard because — It will not solidify at the winter temperatures you will encounter in the British Isles. It is clean It doesn't smell It is not inflammable It will not evaporate It has a very high boiling point— higher than that of water. It will therefore NOT boil away. It will not harm paintwork or cellulose. Nor will it eat into metal or rubber. No part of the cooling system can be hurt by it. ONE FILLING WILL LAST YOUR CAR ALL WINTER. For over forty years the VACUUM OIL COMPANY, LTD., has been removing, one by one, the worries of motoring. Now they have produced VOCO ANTI-FREEZE, and WINTER FROST can no longer harm the cooling system of your car. DON'T LEAVE IT ANY LONGER — IT IS BETTER TO BE A WEEK EARLY THAN HALF AN HOUR LATE! | ||