A Manual for Free-Divers, by D M Owen

A Manual for Free-Divers using compressed air
D M Owen

Free diving in this context is used to describe diving without a surface supply of air. An early diving manual for the twin hose sport diver. contents include: general physical qualifications; mechanics of free diving; some general precautions; corrective or emergency procedures; some physiological consequences of diving.

Hardback with dust jacket in cellophane cover. Dust jacket rubbed at edges and pieces missing from bottom front, top of spine and top of back cover.
Front endpaper inscribed ‘Ley Kenyon’, the original owner. (https://sf-encyclopedia.com/entry/kenyon_ley). Pencilled annotations on the two fold-out tables made by Ley Kenyon.

92 pages
B&W photographs
130 mm x 192 mm (approx. 5 in x 7.5 in)
1955, Pergamon Press Ltd, London