CONTENTS.
xi
Machine ; Hydraulic cane ; Machine of Vialon;Centrifugal force machine; Archimedean screw ;Suction pump; Forcing pumps; Suction andforcing pump; Double piston pumps; Chainpumps ; Ship pumps ; Fire engines; Engines forraising water ; Pistons and Valves ; Hydraulicmachines, useful effects of; Persian wheels;Scoop wheels; Chapelets ; Bucket wheels ;Marly machine; Belidor ’s machine for raisingwater by means of a fall; Denisard's and Ducille’smachine; Bucket machines - - 1126
Chap. XVIII.
Supply of Towns with Water. —Self-cleaning Filters ;Cost of raising water ; Laying down mains; Heightthat a jet of water will rise ■ - 1210
Chap. XIX.
Atmosphere as a moving Power .—The Air-pump ;Post Windmills ; Tower Windmills ; Self-adjustingca P 5 On the relative effect of Windmill Sails;Comparison of the Effects of mechanical Agents asBlowers and Ventilators - - - 1216
Chap. XX.
Warming and Lighting. — Grates ; Stoves ; Hotwater apparatus; Warming by steam; Warmingby air ; Ventilation ; Lighthouses; Lighting, Gas-lighting; Retorts; Hydraulic Mains, Conden-sers, Purifiers, Gasometers , Meters, Gas gover-nors; Laying down Mains ; Sliding and Hydraulic valves ; Pressure indicator ; Quicksilver valves ;Construction of burners ; Oil gas apparatus; Beale’sLight, &c. ----- 1223
Chap. XXL
Steam considered as a Moving Power. — Steam-en-gine ; Atmospheric engine ; Single-acting engines ;Double-acting; Boilers ; Materials for making;Piston-gauge; the Dynanometer ; Water-gauge;Glass-gauge; Feeding apparatus; Safety-valves;Chimneys; Piston-rods, Beams , cylinders andmetal pipes ; Pistons; Valves of various kinds ;Pour-way cock; Plug-tree; Valves opening byweights ; Eccentric Rollers; Mode of openingvalves, cocks, and slides ; the Eccentric; Flygovernor, Centrifugal pump regulator; Parallelmotion ; the cycloidal parallel motion; theCrank ; Fly-wheel; the useful effect of an engine;the portable condensing engine; Application of^team-engines for raising Water, for raising Coals a nd Ores ; to Waterworks ; to Steam-boats ; Loco motive , Boilers , Fire-Box, Axles, Framing ; Feed-pumps ; Chimneys ; Tenders ; Regulator Box ;Safety-valves ; Gauges ; Cylinders ; Valves ;drivers; Pumps; Steam-whistle; Dimensions ofparts of Locomotives; Consumption of Fuel; Hy-draulic Traversing Frames - - 1242
Chap. XXII
Timber and its Properties. —Different species usedm construction ; Felling timber ; Seasoning tim-Jjf r 5 Causes of Decay in timber ; Resistance to atransverse strain ; Cohesive strength ; Resistanceto compression in the direction of its length, or itsvertical bearing strength; For timber placed ver-lc ^'y jn Posts, &c.; in an inclined Position ; Jointsjoining timbers ; Fishing a beam; Scarfing,etching, Cogging, Pinning, Wedging; Tenons ;ortises ; Fox-tail wedging; Bond timbers ; Wall-P ates ; Dovetailing : Lapping ; Girders ; Posts ;
mgs; Queens; Partitions; Framing; Floors;in re J°ists; Girders, &c.; Roofs and cover-
, ®°^ u iiffmgs,varieties of; Sheds forShip-build-mg; Domes and cupolas - - 1283
Chap. XXIII.
Timber Bridges , Principle of; Piers ; Bays andArches ; Floors and Parapets ; Swing Bridges ;Single and double Turning-bridges; Draw-bridges ;Rolling bridges ; Rope bridges ; Bridges of boats ;Floating bridges; Centres of various kinds usedfor. Bridges , Tunnels, &c.; Strength of, howdetermined ; Scaffolding; Suspended scaffolds ;Turning scaffolds: Various kinds of Knotsused - 1348
Chap. XXIV.
Masonry, various kinds of Walls ; Opusincertum ;Opus reticulatum; Pseudisidomum, Diatonus,Isodomum ; Placing the Stone, and the form givento wrought stone, for Walls , Abutments , Piers , &c*Dimensions of Stones ; Stone Pipes ; Arches , howformed ; Varieties of; Vaults, conical, spherical»Bracing Caissoons ; to trace the stones formingan arch with parallel faces; Development ofperpendicular, oblique, and circular arches on theplan ; Skew arches; Intersecting semicircularVaults ; Oblique ditto ; Descending Vaults inter-secting at right angles, and obliquely; GroinedArches ; Groined Vaults , on an irregular and on anhexagonal plan; Hexagonal groined Vaults, withpointed Ribs ; Circular Vaults with groined Ribs *,Gothic Vaults with Ribs uniting in Keys at thecentre; Hanging Keys ; Gothic Vaults formed ofinverted Parabolic Conoids ; Arris Vaults; ConicalVaults ; Trompes ; Spherical Domes ; Vaults on asquare plan; Hemispherical Niches ; SpheroidalVaults; Conoidal Vaults; Pendentives; Groined Vault over a circular plan; Construction ofStaircases - 1419
Chap. XXV.
On Stone Bridges , Situations of; Water-way; Num-ber and span of Arches ; to estimate the quantityof water to which the bridge must allow apassage ;of the form to be given to the Arches ; on theirwidth; on the breadth of Bridges ; Arches , vari-ous forms of; Semi-circular, formed of three cen-tres ; Elliptical Arches ; Thickness to be given tothe Keystones of Arches; to the Abutments; Thick-ness of Piers ; Form of Piers ; Quay Walls ; Founda-tions ; Cofferdams ; Sounding the Soil; Excava-tions ; Dragging; Construction of Piers and Abut-ments ; Raising the Centres; Construction of theArches ; Spandrills and Wingwalis - 1477
Chap. XXVI.
On the Construction of Fascines; Basket-work, &c.for Jetties; River and Sea Walls; Dock andWharf Walls - - - - 1522
Chap. XXVII.
Canals, Cutting ; Oblique ditto; Quantity of waterexpended by Boats ; Locks, form to be given to 'the Chambers of; Talus of Walls ; Dimensions tobe given to the several parts of a Lock; Wing-walls ; Platform ; Pointed Sills ; Gates of Locks ;Sluices; Paddles; Iron Lock Gates; InclinedPlanes and Lifts on Canals ; Means of making thewater enter and leave the Locks ; Bridges andTowing Paths; Stop Gates and Lets-off; Reser-voirs and Aqueducts - 1633
Chap. XXVIII.
Draining and Embanmng ,* Surface and SubsoilDraining; Sluicing; Tunnelling - 1557
Chap. XXIX.
On the Construction of Machinery
1661