Slogas

T. Illingworth & Co. Ltd

London

England

Slow gaslight paper.

Two packets of 17, 3 ¼" x 4 ¼" papers. Vigorous matt. Price 1/-.
Packet of 26, 3 ½" x 2 ½" papers. Vigorous glossy. Price 1/-. Distributed by Ilford.
Packet of 22, 2 ¾" x 1 ¾" papers. Portrait glossy (soft). Price 6d.
Packet of 12, 3 ½" x 2 ½" papers. Vigorous glossy. Price 6d.
Packet of 22, 2 ¾" x 1 ¾" papers. Vigorous glossy. Price 6d.
Packet of 17, 3 ¼" x 4 ¼" papers. Vigorous glossy. Price 1/-.
Packet of 26, 3 ½" x 2 ½" papers. Vigorous matt. Price 1/-. Distributed by Ilford.
Packet of 26, 3 ½" x 2 ½" papers. Vigorous glossy. Price 1/-.

This was available in two grades, Soft, at first called Portrait and hard, called Ordinary or Vigorous. In the late 1920s two further grades were available in bulk only - Medium and Special Soft. Three surfaces were available - Glossy, Matt and Satin (also called Satin-art).

References & Notes:

BJA 1911, p. 350. BJA 1917, p. 178. BJA 1921, p. 179. BJA 1929, p. 144. BJA 1932, p. 129.

Illingworth Bromide Paper

Packet of 17, 3 ¼" x 4 ¼" papers. Glossy. Retailer's label of Westminster Photographic Exchange Ltd. 111 Oxford St, W1 and 119 Victoria St, SW1.
Zelvo. Packet of 17, 3 ¼" x 4 ¼" papers. Soft velvet. c. 1904.

This was made in a large number of surfaces, colour tints and grades. Zelvo was the name given to velvet finish papers.

References & Notes:

BJA 1905, p. 157. BJA 1909, p. 24. BJA 1911, p. 349. BJA 1912, p. 366. BJA 1917, p. 176. BJA 1921, p. 175. BJA 1932, p. 128.

Enitone Paper

Packet of 12, 3 ½" x 2 ½" papers. Glossy.
Packet of 26, 3 ½" x 2 ½" papers. Glossy. Price 1/-.
Packet of 22, 2 ¾" x 1 ¾" papers. Glossy. Price 6d.

Gold in the emulsion reacts with the hypo fixer to tone the paper, the colour could be controlled by adjusting the strength of the fixer bath. Produced in glossy, matt and satin finishes.

References & Notes:

BJA 1911, p. 352.

Company Details:

Illingworth Dry Plates

Early Photography

Slogas

T. Illingworth & Co. Ltd

London

England

References & Notes:

Illingworth Bromide Paper

References & Notes:

Enitone Paper

References & Notes:

Film and Plates