Author: PATENT OFFICE
Title: Patents for inventions: abridgements of specifications: Class 110(ii): Rotary engines, pumps, blowers, exhausters, and meters, 1909-1930
Description: HMSO, 1922. Used - Good. Good hardback in red cloth 1st ed.. Bound issues, published between 1922 & 1933. Bound in dark red cloth, with gilt title on spine; cloth reinforcement on hinges. Small tear in first page; binding tight; spine worn at head & foot, with repaired tear across spine & down back joint. Photo:.

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