Lens:

f8, 6" B&L Rapid Symmetrical Series II, iris diaphragm to f64.

Shutter:

B&L Unicum, speeds 1 - 1/100, B, T.

Construction:

Leather covered mahogany body, exposed wood is polished, red leather bellows.

Format:

4" x 3" exposures on 4 ¼" wide roll-film or 4 ¼" x 3 ¼" plates held in double dark-slides. Kodak size 119.

Focusing:

Bellows focusing. Double extension.

Attributes:

Two brilliant view-finders. Spirit level.
Film advance indicated by red window. Drop-bed.

Identification:

Without cross front. Wooden extension slide with brass strips. Type 1 front standard lock. Type 2 infinity catch. Lens panel retained by sliding plate. Early type front standard bolts. Friction rising front. No wide-angle rack. Type 4 name plaque. "Patents" (slanted script).

Movements:

Rising front, tilting front.

Serial Number:

4153 .

Notes:

The slide with this example is the cheapest of the three types available. The screen is not hooded.

With:

Plate back adapter. 1 double dark-slide (3/4). Focusing cloth.

Lens:

f6.8, 150 mm Goerz Doppel Anastigmat, iris diaphragm to f64. Serial no. 121271 .

Shutter:

Goerz Sector, speeds 1/2 - 1/150, T.

Construction:

Leather covered mahogany body, exposed wood is polished, red leather bellows.

Format:

4 ¾" x 3 ¾" exposures on 5" wide roll-film, Kodak size 104, Ensign size 5, or 4" x 5" plates held in double dark-slides.

Focusing:

Bellows, scale to 6 feet. Double extension.

Attributes:

Two brilliant view-finders. Spirit level.
Film advance indicated by red window. Drop-bed.

Identification:

With cross front. Wooden extension slide with brass strips. Type 1 front standard lock. Type 2 infinity catch. Lens panel retained by sliding plate. Early type front standard bolts. No rack and pinion to rising front. No wide-angle rack. Type 4 name plaque. "Patents" (slanted script).

Movements:

Rising front, cross front, tilting front.

Serial Number:

5455 (1903) .

Notes:

Version with cross front.

With:

Plate back adapter with focusing screen.