LIST OF PLATES.

PLATE PAGE

1. Davey’s Water Pressure Pumping Engine .... 30

2. Brown’s Steam Accumulator.35

3. Tweddell’s Accumulator.36

4. Elswick High Pressure Pumping Engine .... 45

5. Compound Hydraulic Engine.46

6. The “ Worthington ” Pumping Engine.48

7. Brotherhood’s 3-Cylinder Hydraulic Engine ... 50

8. Turnoter Hydraulic Capstan.51

9. Double-powered Hydraulic Crane ... . . 53

10. Hastie’s Low Pressure Hoist.55

11. Details oe do. do. 56

12. La Louvi^re Press.. .76

13. La LouviJire Lift.78

14. Mersey Railway Lifts.80

15. Hydraulic Balance Lift.82

16. The “ Otis ” Elevator.84

17. Moveable Jigger Hoist.91

17a. Table of Results of Rivetting Tests .... 108

18. Hydraulic Chain-Cable Shears.110

19. 5-Ton Angle Iron Bending Machine.113

20. Hydraulic Elanging Machine.116

21. 12-Ton Hydraulic Centre Crane.122

22. Hydraulic Crane for Goods Shed.126

23. Hydraulic Station Crane.127

24. Moveable Hydraulic Crane ........ 127

25. 160-Ton Arsenal Crane.127

26. Hydraulic Swing Bridge.128