Word: microfilms
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Dates: during 1933-1933
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...winning model, owned by Herbert Owen of New Britain, Conn., had an enormous advantage of lightness. It weighed only .03 oz. Instead of Japanese tissue, its wing was made of "microfilm," a transparent, opalescent substance that looks something like Cellophane. It is made from a nitrocellulose fluid base (e.g. collodion, bronzing liquid, etc.) that-floats on' water in a gossamer layer, dries in a sheet about one-eighth the weight of superfine tissue. The winner was awarded the Sportsman Pilot Cup, originally posted by Sportsman Pilot (monthly) for a race which did not come off in the National...