Ludy, Llewellyn V., 1875- [from old catalog], American Technical Society · Chicago, American technical society · leaf 25
ry slight change of pressure. By plac-ing the desired weight on the disk and adjusting valve B, the pres-sure of steam in the cylinder is maintained at a constant value. If 12 STEAM ENGINE INDICATORS the pressure should rise higher than desired, the piston valve Drises, permitting the escape of… … *?OLB. SPRING ao 5013. SPRING/OO 60LB.SPRJNG/20 GOLB. SPRING teo IOOLB. SPP/NG300 Fig. 9. 120 LB. SPRING2*0
Indicators for steam-engines · Steam-engines
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