tubing

41 Bridge of steel pipe 41 Arch bridge of steel pipe 42 Spiral fire-lighter 42 Spiral weld steel tube 42 Largest stone arch in the world, Plauen, Germany 43 Church of St. Remy, Rheims, France 43 Curve of suspended chain 44 Dam across Bear Valley, California 44 Ferguson locking-bar 45 Hand-hole plates, Erie City water-tube boiler 46 Bullock cart with solid wheels 47 Ball thrust collar bearings 48 Rigid bearings for axles of automobiles 48 Hyatt helical roller bearing. Ditto supporting an axle 49 Treads and risers of stairs joined by curves 49 Corner Madison Square Garden, New York 50 Two pipes with funnel-shaped junction 50 Model Basin, U. S. Navy, Washington, D. C. facing 54 Viking Ship 56 Clipper ship “Young America” 58 Steamship Kaiser Wilhelm II 60 Cargo steamer 61 U. S. Torpedo-boat destroyer 62 Cross-sections of ships 63 Racing automobile. Wedge front and spokeless wheels 66 Bilgram skew gearing 67 Grain elevator 68 Robins conveying belt 68 Ewart detachable link belting 69 Curves of turbines 70 Steel vanes of windmill 70 Pelton water wheel and jet 71 Luxfer prism 74 Fresnel lens 74 Lamp and reflector a unit 75 Inverted arc-light 75 Sacramento perch totally reflected in aquarium 77 Diagram illustrating total reflection 78 Holophane globe, sections 79 Holophane globe, diffusing curves 80 Holophane globe, three varieties 80 Holophane globe, and Welsbach mantle 81 Wire shortened while original direction is resumed 81 Four mirrors reflect a ray in a line parallel to first path 82 Prisms for Zeiss binocular glasses 82 Sections for Zeiss binocular glasses 83 Tools for producing optical surfaces 84 Bi-focal lens for spectacles 85 Canadian box-stove 86 Canadian dumb-stove 86 Tubing for radiator 87 Gold’s electric heater 87 Stolp wired tube for automobiles 87 Corrugated boiler 88 Pipe allowing contraction or expansion 88 Carving chisels and gouges 90 Lathe cutters 90 Ratchet bit brace 90 Eskimo skin scraper 91 Double tool drill cutting boiler plate 91 Common drill compared with ring drill 92 Twist drill 93 How a tool cuts metal 94 Dacotah fire-drill 94 Lathe, with parts in detail 95 Compound slide rest 96 Blanchard lathe 96 Turret lathe, with side and top views 97