The Treble Patent camera was manufactured by S.D. McKellen in circa 1884. It was awarded the first ever medal from the Photographic Society of Great Britian which later became the Royal Photographic Society. It was the first camera to incorporate a turntable in the bed of the camera. It also featured a front folding frame assembly and double rack and pinon focusing. The design was originally made up by Joshua Billcliff initially incorporating at least three of McKellen's patents and later eight. All the metal work originally was made from aluminum to reduce the weight of the camera, later models used brass. It was constructed of mahogany wood and made in whole plate and half-plate sizes.
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