Rolleiflex guide

Rolleiflex Guide, How to use Rolleiflexes and Rolleicords, by F. W. Frerk, Second American Edition, 1946, A Focal Press Book, Transatlantic Arts, Inc. New York and London

This booklet has some binding wear and corner wear.  Contains black and white photos and in depth instructions on the use of the various Rolleiflex camera of the 1930's through the 1940's.