Labels:text | diagram | plan | line | technical drawing | parallel | schematic | number OCR: VALUE STEAM ENGINE DRIVE 9 + +FROM BOILER ₺ P 8 R T THROTTLE E VALUE 600 PSIG 7 S BOILER PRESSURE S 6 U N 26 R D 5 E E 4 X 1 30 0 R 2 P S - 6 1 ATM- 0 G 0 ATM-7_