BSA A7 A10 Twins Roy Bacon 1949-1963 Monograph No. 14 56 page nice photos

A7 Shooting Star, A10 Golden Flash, A10 Road Rocket, A10 Super Rocket, A10 Rocket Gold Star 

Introduction, First A7, A7 Developments, A10, Twin Production, Competition, Specifications.

Good clean intact condition inside, a couple of grooves on the front cover (someone has used in to rest on when drawing a line) see images

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