An interesting books related to photographic plates / process / printing;

"The Imperial Handbook"

1926

25 informative pages

(an illustrated treatise and catalogue relating to Barnet's Photographic Plates and Papers, etc)

Includes explanations of different types of photographic plate, roll film,

photographic project ideas etc

A wealth of hard to find information here!

VGC, Signs of light age / useAll pages still present and readable.

English Language.

Dimensions: 21cm X 13.5cm approx.