All three manuals/books are £50 EACH
 
A Siebe Gorman photocopied manual stated as 'CATALOGUE D.5' 
Titled 'DIVING APPARATUS AND OTHER SUBMARINE APPLIANCES' 
SIEBE, GORMAN & CO LTD
HEAD OFFICE AND WORKS:'NEPTUNE' WORKS, DAVIS ROAD, CHESSINGTON, SURREY
EVERYTHING FOR THE DIVER AND FOR SUBMARINE OPERATIONS
Measures 30cm wide x 22cm high
 
A Kirby Morgan manual dated 2001 and  titled
'KIRBY MORGAN KMB 18 A/B & 28 BAND MASK OPERATIONS AND MAINTENANCE MANUAL'
Measures 28cm high x 22cm wide
 
THE PROFESSIONAL DIVERS HANDBOOK - John Bevan. Dated as 2005.
Measures 27cm high x 19cm
 
PLEASE STATE WHICH BOOK YOU REQUIRE WHEN YOU PUT IT IN THE CART
ALL £50 EACH