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 344
FILE FOEWREINCH <7l^ i ^ m … g PIP^ GLASS gBOLT rq55^MBLV Tig. 276—Details of a simple spark plug for the engine parted from the stock and each piece or ring split diag-onally in the usual manner. The split rings were thencompressed, one at a time, of course, and gripped on anut arbor constructed for the purpose. Then the…
Machinery
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