497. Drawing 10 H-4-5482. Unit 11 - Penstock 1923-06-08
498. Drawing 10 H-4-5512. Unit 11 - Section at penstock looking south 1923-07-10
499. Drawing 10 H-4-10049. 10,000 horse power turbines - Plan showing castings for mouth piece of penstock for 10,000 horse power turbines 1902-04-15
500. Drawing 10 H-4-10061. 10,000 horse power turbines - General plan of cast iron mouth piece for penstock for 10,000 horse power turbine 1902-04-22
501. Drawing 10 H-4-10062. 10,000 horse power turbines - Plan showing details of cast iron mouth piece penstock for 10,000 horse power turbine 1902-04-22
502. Drawing 10 H-4-10102. 10,000 horse power turbines - Penstock slip joint and stuffing box for 10,000 horse power turbine 1903-03-01
503. Drawing 10 H-4-10110. 10,000 horse power turbines - General arrangement of penstock details of flanges for 10,000 horse power Turbines 1902-06-30
504. Drawing 10 H-4-10111. 10,000 horse power turbines - Upper penstock elbow and miscellaneous penstock detail units # 1,2,3. 10,000 horse power turbine 1902-07-02
505. Drawing 10 H-4-10129. 10,000 horse power turbines - Penstock pipe bend 1902-12-01
506. Drawing 10 H-4-10140. Penstock mouth piece alternative arrangement of joints 1902-06-26
507. Drawing 10 H-4-10250. 10,000 horse power turbines - Penstock pipe bend 1902-12-01
508. Drawing 10 H-4-10258. 10,000 horse power turbines - Penstock pipe bend 1903-01-01
509. Drawing 10 H-4-10264. 10,000 horse power turbines - Method of removing penstock of 10,000 horse power turbine with crane with resulting height of power house 1903-01-24
510. Drawing 10 H-4-10332. Penstock pipe bend cast iron 1903-04-29
511. Drawing 10 H-4-10340. 10,000 horse power turbines - Penstock inlet piece for 10,000 horse power turbine 1903-01-01
512. Drawing 10 H-4-10357. 10,000 horse power turbines - Upper penstock elbow 10,000 horse power turbine 1903-04-18
513. Drawing 10 H-4-10371. 10,000 horse power turbines - Arrangement and details of penstock units # 4 and 5 1903-08-14
514. Drawing 10 H-4-10421. Steel work for wheel pit - Beams supporting upper penstock elbow 1903-04-28
515. Drawing 10 H-4-10475. 10,000 horse power turbines - Openings in lowest section of penstock #3 1903-10-01
516. Drawing 10 H-4-10495. 10,000 horse power turbines - Penstock and elbow 10,000 horse power turbine unit # 1,2,3 1903-05-01
517. Drawing 10 H-4-10496. 10,000 horse power turbines - Detail of penstock unit # 1,2,3 1903-05-01
518. Drawing 10 H-4-10514. 10,000 horse power turbines - Plan showing masonry about penstocks 1903-06-03
519. Drawing 10 H-4-10910. 10,000 horse power turbines - Details of penstock pipe bend 1903-10-23
520. Drawing 10 H-4-10918. 10,000 horse power turbines - Details of penstock slip joint and stuffing box 1903-10-11
521. Drawing 10 H-4-10932. 10,000 horse power turbines - Detail of penstock 1903-11-23
522. Drawing 10 H-4-10933. 10,000 horse power turbines - Detail of upper elbow penstock 1903-12-25
523. Drawing 10 H-4-11078. "Blank flanges for 20"" and 30"" piping connecting with penstock near chamber #2" 1905-01-16
524. Drawing 10 H-4-11784. 12,500 horse power turbines - Penstock 1908-03-10
525. Drawing 10 H-4-11785. 12,500 horse power turbines - Upper penstock elbow 1903-03-10
526. Drawing 10 H-4-11786. 12,500 horse power turbines - Penstock slip joint 1908-03-10
527. Drawing 10 H-4-11787. 12,500 horse power turbines - Lower penstock elbow 1908-03-10
528. Drawing 10 H-4-11788. Details of part 1 of lower penstock elbow 12,500 horse power turbine 1908-03-10
529. Drawing 10 H-4-11789. Details of part 2 and 3 lower penstock elbow 12,500 horse power turbine 1908-03-10
530. Drawing 10 H-4-12050. Penstock for unit #6 ,12,500 horse power turbine 1910-03-15
531. Drawing 10 H-4-12128. Turbine no. 6 - Test on no 6 turbine section of penstock showing lines of equal velocity 1911-06-02
532. Drawing 10 H-4-12261. 12,500 horse power turbines - Penstock for unit #7 1912-01-25
533. Drawing 10 H-4-12421. Turbine no. 6 - Record of tests of material used in fabrication unit 1912-10-03
534. Drawing 10 H-4-12563. Unit 8,9,10 - Lower penstock elbow 1911-04-06
535. Drawing 10 H-4-12572. Unit 8,9,10 - Slip joint for penstock 1915-05-21
536. Drawing 10 H-4-12643. Unit 8,9,10 - Filler block under lower penstock elbow 1915-09-22