19th February 1943, Page 29
19th February 1943
Page 29

Page 29, 19th February 1943
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Surface Accurac Nnd Lubrication
W HEN two surfaces have been designed for relative motion, such as a shaft in its bearings, a piston in its cylinder, or a gear tooth with a mating tooth, accuracy of dimension......
'aspe'cts Of The Synthetic Rubber Position
Many of Our Readirs. Should be Interested in the Points Raised by Dr. Pickles in His Paper Read Last Tuesday Before th: Royal Society of Arts M ANY of our readers are vitally......