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 238
-PackingSpace Clearing Hole Screwed Porfion Delivery … WaferGauge -Glass BoilerShown Tilted Fig. 157—Model boiler fittings 236 Model Engineering always remember in connection with the making of cocks;the moving member should always be of a different metalthan the body. Thus if the body of the cock is made ofgunmetal the plug should be made of brass or…
Machinery
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