Australian Radio valve advertisements.
Click on any image to enlarge
STC is shown representing Raytheon, later they made valves under the Brimar brand. The name STC originated in 1925 when I.T & T. took over Western Electric's
overseas manufacturing operations. The Brimar valve making operation started
in 1933 but STC in Australia was representing Raytheon in 1935. It may have
been that initially Brimar was not interested in the export market, just
another little mystery.
Above: The Australian AWA 100 was found in a collection in San Carlos, California in 1968. It had a brass UV base soldered to the bottom of the B4 base and you can see the solder remains. The100 is identical in appearance to the MOV R5V.
How Max Dupain made an AWA Radiotron valve advertisement ...
Firstly he photographed a violinist, most likely on a 4inch by 5inch negative. Then he made another single photograph comprising the valve, valve box and globe. Lastly he made a composite or montage. There are two ways to achieve this ...
The photo montage was achieved either as a double exposure in a negative, or more likely there were two separate negatives and each one was exposed in the darkroom onto a single photographic paper.
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Credits:
compiled by Kevin