BSAC Extended Range Diver, Student’s study book

BSAC Extended Range Diver, Student’s study book
British Sub-Aqua Club

Paperback in as new condition. Address sticker on top corner of cover.

Contents:
Personal preparation for ERD
Decompression diving
Required personal equipment
Required group equipment
ERD dive planning
Partial pressure of O2 tables
Oxygen toxicity table
Planning chart
Log sheet

72 pages
Black/blue illustrations
172 mm x 224 mm (approx. 6.75 in x 8.75 in)
Undated, British Sub-Aqua Club, Ellesmere Port