The authors express their special thanks to the British Standards Institution Chiswick High Road, London, W4 4AL for kind permission to reprint extracts from their publications.
We are also grateful to the International Organization for Standardization, Genève 20, Switzerland, for granting us permission to use extracts from their publications.
We very much appreciate the encouragement and friendly assistance given to us by:
H C Calton, Ford Motor Company Ltd Geoff Croysdale, SKF (UK) Ltd Susan Goddard, KGB Micros Ltd Emma McCarthy, Excitech Computers Ltd John Hyde, Norgren Martonair Ltd Bob Orme, Loctite Holdings Ltd Tony Warren, Staefa Control System Ltd Autodesk Ltd
Barber and Colman Ltd
Bauer Springs Ltd
Delphi Diesel Systems
GKN Screws and Fasteners Ltd
Glacier Vandervell Ltd
Lucas Diesel Systems
Lucas Electronic Unit Injector Systems
F S Ratcliffe Ltd
Matthew Deans and his staff at Elsevier: Nishma, Doris, Rachel and Renata.
Brian and Ray for sheet metal and machine shop examples, models, computer advice and technical support.
Our final thanks go to our patient and understanding wives, Audrey and Beryl, for all their typing and clerical assistance since we started work in 1973 on the first edition of Manual of Engineering Drawing.
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