445. Drawing 10 H-2-5533. Unit 11 - Head gates details of operating mechanism 1923-07-16
446. Drawing 10 H-2-5534. Unit 11 - Details of head gate 1923-07-11
447. Drawing 10 H-2-5535. Unit 11 - Details of apron & grooves 1923-07-10
448. Drawing 10 H-2-10265. Plan showing general dimensions of wheel pit and canal 1903-01-26
449. Drawing 10 H-2-10266. Plan showing general arrangements of proposed head gates with operating mechanism for 10,000 horse power turbines 1903-01-28
450. Drawing 10 H-2-10530. Head gates for 10,000 horse power turbines - Plan showing general arrangement 1903-10-15
451. Drawing 10 H-2-10531. Head gates for 10,000 horse power turbines - Details of gate 1903-10-13
452. Drawing 10 H-2-10532. Head gates for 10,000 horse power turbines - Details of gate 1903-10-16
453. Drawing 10 H-2-10533. Head gates for 10,000 horse power turbines - Details of apron box girder 1903-10-22
454. Drawing 10 H-2-10534. Head gates for 10,000 horse power turbines - Details of wicket gates and cast iron grooves 1903-10-07
455. Drawing 10 H-2-10535. Head gates for 10,000 horse power turbines - Details of main shaft, thrust bearing, motor stand and lifting screws 1903-10-08
456. Drawing 10 H-2-10536. Head gates for 10,000 horse power turbines - Details of gearing for hand hoist 1903-10-09
457. Drawing 10 H-2-10537. Head gates for 10,000 horse power turbines - Details of gearing for wicket gates and indicator 1903-10-14
458. Drawing 10 H-2-10538. Head gates for 10,000 horse power turbines - Gate motion indicator 1903-03-27
459. Drawing 10 H-2-10539. Head for 10,000 horse power turbine sketch showing changes required IN General Electric Co's type C.L. Continuous Current slow speed motor 1903-10-14
460. Drawing 10 H-2-10891. Sketch showing outline of motors for head gates 1904-07-07
461. Drawing 10 H-2-11096. Outline plan of rolling doors for main head gates 1905-07-22
462. Drawing 10 H-2-11340. General arrangements & details of steel enclosures for head gates 1905-12-21
463. Drawing 10 H-2-11581. #5 type S direct current frame motor outline 1908-03-23
464. Drawing 10 H-2-12202. Units 7-11 - Headgates for 12,500 horse power turbines - Details of gearing for hand hoist head gates for 1912-01-17
465. Drawing 10 H-2-12259. Headgates for 12,500 horse power turbines - Assembly of hand hoist details of hand wheel and indicator bracket 1912-01-08
466. Drawing 10 H-2-12268. Unit 7-11 - General arrangement of head gates 1912-02-08
467. Drawing 10 H-2-12578. Unit 7 - General arrangement of head gates 1915-07-16
468. Drawing 10 H-2-12579. Units 8-11 - Head gates - Details of bearing and hand hoist 1915-07-14
469. Drawing 10 H-2-12580. Units 8-11 - Head gates - Assembly & details of hand hoist details of indicator bracket & gears 1915-12-07