Rayment's Patent - Antique and Vintage Cameras

Rayment's Patent

1887

Perken Son & Rayment

London

England

Image of Rayment's Patent

Lens:
f8, c. 7 " Dallmeyer Rapid Rectilinear, marked 6 x 5. Waterhouse stops. The largest stop is marked only with the serial no, others marked: X; 2; 3; 4; X. Serial no. 29433 (c. 1882).

Shutter:
Furnell's Patent. Rubber band powered, double flap, adjusted by friction on the spindle carrying the lower flap.

Construction:
Mahogany, dovetail joints, brass fittings, leather square cornered bellows.

Format:
6 " x 4 " plates held in double dark-slides.

Focusing:
Bellows to c. 25". Double extension, rack and pinion (straight cut) movement to inner frame.

Attributes:
Reversing back.

Movements:
Rising front, cross front.

With:

  • 6 Waterhouse stops in Dallmeyer pouch. Lens cap.
  • Furnell's Patent shutter. Tripod top. Case.

This is a very well-made camera of Honduran fiddle-back mahogany with dovetail joints and leather bellows. The patent describes a method of fixing the front standard to the baseboard by rods passing through the standard which clamp to rails on the baseboard.

The shutter has a very interesting action. In making the exposure the top flap of the shutter opens and uncovers the lens. The lower flap rotates to cover the lens. A friction device works on the lower flap to control the length of exposure. The friction pad works against an eccentric disc attached to the lower spindle, this gives greatest resistance, and hence least movement, at the mid point of the exposure. The two flaps are connected with rods, a cam controls the rate at which the flaps rotate. The shutter was shown at the RPS exhibition of 1885.

References & Notes:
BP 1675/1886 (A. Rayment). BP 7746/1884 (T. Furnell). BJA 1888, p. 85. YBP 1887, 'catalogue section'.


Company Details:

Perken Son & Rayment

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