28th July 1925, Page 28
28th July 1925
Page 28
Page 28, 28th July 1925
Close
A Self-cool1ng Crankcase.
A Résumé of Recently Published Patent Specifications. A G. MUMPORD, LTD., and A. V. ,Boothroyd, in specification No. 235,728, claim to have designed a form of crankcase which......