Price list of photographic apparatus and materials.
Produktkatalog, London, Houghtons Ltd., 1914.
Ort
London
Verlag
Houghtons Ltd.
Einband
cb.
Medium
Firmenschrift, Katalog
Catalogue on Ensign and other products of Houghtons Ltd. P.5-12: “Where these cameras are made. A brief description of the ‘Ensign’ works at Walthamstow, London.” Illustrated with 17 views of different stages of the production line.