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