Marion’s Argentic-Bromide Opals.
Principally used for Enlargements and Contact printing. Very effective.
COWAN’S GELATINO-CHLORIDE PLATES (Green Label).
For Lantern Slide Work.
COWAN’S CHLORO-BROMIDE PLATES (Violet Label).
For making Transparencies in the Camera.
COWAN’S GELATINO-CHLORIDE TRANSPARENCY PLATES.
On ground glass.
COWAN’S ORGANIC CHLORIDE OPALS (Red Label).
Printed and toned like ordinary sensitised paper. Very artistic. They must be used fresh.
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MARION & CO., 22 and 23, Soho Square,
LONDON.
For PHOTOGRAPHIC
GOODS AND PROMPT ATTENTION
GO TO
J. WERGE,
PHOTOGRAPHIC STORES,
11a, Berners Street, Oxford Street, London. W.
WERGE’S “Sans Ammonia Developer” is used by numerous expert amateurs. A 1/- bottle will develop 128 quarter-plates, any make.
WERGE’S Dry Plate Varnish dries without heat, and protects the negatives from silver and platinum stains, 1/- per bottle and upwards.
WERGE’S Retouching Medium, 1/- per bottle.