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 243
previously de-scribed. The plunger of this pump is very long and isprovided with several packing glands and double cupleathers. By altering the length of the operating lever,this pump can be used on quite high pressures, as thelonger the handle is the greater the leverage and therebythe greater… … Fig. 158—Model boiler fittings Model Boiler Fittings 241 straigliten the tube out. Advantage is taken of this byarranging the elements of the pressure gauge as shown.The higher the steam pressure is in the tube, the moreits tendency will be to straighten out. This causes thepointer which is…
Machinery
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