Essentials of drafting; a text and problem book for apprentice, trade and evening technical schools (1918)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 107
1 and 212.The names of the parts for the form of steam piston shown inFig. 212, are i. Piston Body, 2. Follower, 3. Follower Bolts, 4. Bull Ring, 5. Packing Rings. To prevent loss of pressure by leakage past the piston some formof packing ring is generally employed. Pistons are most always 90… … r/g. 2/^ F/g. 2/5 a soft packing of hemp, fiber, or leather is used. For large verticalengines steel pistons are sometimes used. Sliding Bearings. — Sliding bearings are of many forms, asshown in the following figures. The general end sought is tohave the projected area of slide such that the…
Mechanical drawing
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