View Blog1905 Falling plate camera manufactured by Houghton in the UK used twelve glass plates 4.1/4 x 3.1/4". Glass plates were loaded into carriers which slid onto rails in the back of the camera, the plate change mechanism caused the exposed plate to fall forwards into the bottom of the camera, whilst the next in line moved forwards under the pressure from a fairly hefty spring mounted on an internal hinged plate. Shutter speeds are altered by varying the shutter spring tension, whilst aperture is altered with an external iris assembly - the large single element lens is mounted internally can be controlled using four supplementary lenses that are rotated into the relevant position.
Shutter, Built in, in front of lens, speeds T, 5, 10, 25, 50, & 100th sec.
Lens, f11, 16, 22 and 32
