18th December 1928, Page 32
18th December 1928
Page 32

Page 32, 18th December 1928
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A New Ring .to Obviate Piston Slap.
A Rdsurne of Recently Published Patent Specifications. TrinE piston ring described in patent No. 300,422, _L W. S. Bauer, of London, contains several new and interesting......