5 loose folding diagrams in each book.
Black and white illustrations throughout. Each book with a few pages of advertisements, some stamped in blue ink: 'out of print'.
Author Oliver, Alfred
Date No date (c.1925)
Binding Stiff card covers. 16x10cms
Publisher The Co-operative Printing Society, Manchester and Newcastle
Condition Corners very slightly bumped and creased. Minor creasing to some pages - a binding fault.
Pages 101pp & 112pp