Lens:

f6.3, 4 ¼" Ross Homocentric, iris diaphragm to f22. Serial no. 83657 (c.1918).

Shutter:

Ilex Acme, speeds 1 - 1/300, B, T.

Construction:

Leather covered metal body, leather bellows.

Format:

2 ½" x 3 ½" plates held in slides.

Focusing:

Bellows to 4 feet. Pre-set positions determined by lever on front of baseboard.

Attributes:

Frame view-finder. Curious arrangement for making the fold down bed rigid - a plate covering the focusing screen folds down and pushes through the body to cover the hinge of the baseboard.

Movements:

Rising front.

With:

Hooded focusing screen.