Labels:text | diagram | plan | line | technical drawing | parallel | schematic | number OCR: VALUE STEAM ENGINE DRIVE = +FROM BOILER P 8 R T THROTTLE > E VALUE 600 PSIG 7 S 00ZOWZ6w₾ BOILER PRESSURE S 6 N R D 5 E E 4 X 1 3 0 0 R 2 P - S - 6 1 ATM- 0 G 0 ATM-7_