Lens:

f8, 9" Beck Symmetrical, iris diaphragm to f45.

Shutter:

Thornton-Pickard roller-blind, speeds 1/15 - 1/90. Serial no. 7950.

Construction:

Polished Honduran mahogany, brass fittings, finger joints. Leather bellows with diagonal corners.

Format:

6 ½" x 4 ¾" plates held in double dark-slides.

Focusing:

Bellows. Double extension. Rack and pinion movement to inner frame.

Attributes:

Removable lens panel. Reversing back. Rear pinion. Turntable.

Movements:

Rising front, tilting front, tilting back.

Serial Number:

430 ? .

With:

Houghton's Envelope adapter (serial number: 178E). Tripod.