CONTENTS OF THE PLATES (X. Nos. 1—35) 
TO 
Perio NY iOe TL Oa Fs 
*, The references for explanations of the subjects are to the bottom paging of the text. 
PAGE 
PLATE l. 
Figs. 1-27. Illustrating the construction of 
streets and roads, 583-588 
« 28-34. I}lustrating the Thames tun- 
nel in London, 589 
PLATE 2. 
Figs. 1-54. Illustrating the construction of 
railroads, . 594-603 
PLATE 3. 
Figs. 1-29. Illustrating the construction of 
railroads, 594-603 
« 30. The Leipsic station of the Saxon 
and Bavarian railroad, . 603 
PLATE 4. 
Figs. 1-6. Illustrating the motive power 
on railroads, . 603-611 
« 7-15. Illustrating the construction of 
inclined planes, 612-614 
PLATE 9. 
Figs. 1-8. Illustrating Stephenson’s loco- 
motive with variable ex- 
pansion, 2. GOF 
« 9-928. Illustrating the scnesoecs 
of tenders and railroad 
cars, 606-611 
* 29. Interior of the Duke of Bruns- 
wick’s ear on the Brunswick 
railroad, : 610 
«30. Interior of @aeed Natori: car 
on the London and Dover 
railroad, 610 
PLATE 6. 
Figs. 1-10. Illustrating the construc- 
tion of atmospheric rail- ; 
roads, 614-616 
PLATE 7. 
Figs. 1-23. Illustrating the construction of 
stone bridges, 617-620 
PLATE 8. 
Figs. 1-45. Illustrating the construction of 
wooden bridges, 620-622 
PLATE 9. 
Figs. 1-33. Illustrating the construction of 
iron bridges, 622-626 
mn) PAGER 
PLATE 10. 
1-28. Illustrating the construction of 
canals and dams, 627-637 
Fig. 29. View of a chain of locks on the 
Rideau canal near Bytown in 
Canada, 631, 632 
Figs. 
PLATE 11. 
Figs. 1-5. Details from the rai 
canal in France, 629 
«6-8. The Cesse Aqueduct, . 634 
« 9-11. The Croton San of New 
York, . 637 
«12-18. Locks and weirs, 631-634 
PLATE 12. 
Figs. 1-12. Illustrating the construction of 
windlasses and cranes, 637-639 
PLATE 13. 
Fig. 1. A lift pump, 639 
« 2. A forcing pump, , 640 
«3-6. Stephenson’s double action 
pump,. 640 
«© 7-9. Pump used in P thes mine Huel- 
goet in siamo a ; 641 
« 10-12. Letestu’s pump, 641 
« 13,14. Jordan’s hydraulic ram in 
Clausthal, , 643 
« 15-21. Reichenbach’s hydraulic ram 
in the saltworks at Illfang 
in Bavaria, : - GS 
PLATE 14. 
Figs. 1,2. The simplest construction of a 
fire-engine, . 645 
« 3,4. Portable fire-engine, 645 
« 5,6. Pontifex’s fire-engine, 645 
« 7-10. Repsold’s fire-engine, 646 
« 11-15. Letestu’s fire-engine, 645 
« 16-21. Common double-action fire- 
engine, 646 
« 22,23. Bramah’s fire- -engine, 646, 647 
« 94 Steam fire- -engine, . 647 
« 25-29. Apparatus to save persons 
and property at fires, 648 
PLATE 15, 
Figs. 1-18. Illustrating the construction of 
vertical water-wheels, 649-651 
« 19-29. Illustrating the construction of 
horizontal water-wheels, 651, 652 
