Model making; including workshop practice, design and construction of models, a practical treatise for the amateur and professional mechanic .. (1919)
Yates, Raymond F. (Raymond Francis), 1895- ed · New York, The Norman W. Henley Pub. Co. · leaf 258
bearings are not bushed, asthis has been found unnecessary. At the lower end of thevalve shaft, another small brass bevel gear is fixed with asteel pin, and this meshes with a similar brass gear thatwas placed on the crankshaft previously. Three slots are cut in the top plate of the engine,… … 256 Model Engineering
Machinery
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