This is a small format (17 x 23 cms) mainly black & white 12 page booklet: The Six-Cylinder OM
Printed in England by Profile Publications in 1966
Potted history of the Six Cylinder OM from the 1920s by Douglas Armstrong. Plenty of b&w period photos and colour on the inside covers.
Covers the following models:
O.M. Six Cylinder
In good condition.