Clyde navigation, account of, 54.

Cold water pump, improvement in, 203.

Collinge, Mr. evidence upon steam navigation by, 73.

Condenser introduced by Watt, 24; description of, 123; by Mr. Cartwright,
192.

Congreve, Sir. W, mode of consuming smoke and increasing heat, 169; ro-
tatory engine by, 232.

Cooke, Mr. rotatory engine by, 37.

Counter introduced by Watt, 129.

Crank and fly-wheel suggested by Hulls, 47.

Cylinders, Sir Samuel Morland's table for the size of, 11; Cylinder and Pis-
ton of atmospheric engine, 118, 146.

Dalesme, M. suggests a mode of consuming smoke, 167.

Deslandes, steam-wheel invented by, 20.

Diagonal bracing, utility of in steam boats, 103.

Dickson, improvement in steam navigation by, 56.

Dodd, Mr. evidence upon steam navigation by, 84, 91, 97.

Donkin, Mr. evidence upon steam navigation by, 63.

Double-acting engine suggested by Falck, 19; Messrs. Fenton, Murray, and

Wood's, 149.

Double-cylinder expansion engine, 157.

Draining land by steam engines, 20.

Dupin's observations on the steam engines of England, 44.

Edelcrantz, Chevalier, safety-valve invented by, 140.

Evans, Mr. high-pressure engine by, 40.

Expansion engine invented by Mr. Watt, 29.

Explosion of a steam-boat at Norwich, 63.

Feeding pipe described, 147.

Fire-wheel invented by Amontons, 20.

Fly-wheel, description of 129; rule for proportioning, 130; dispensed with in

a rotatory engine, 167.

Francois, M. engine for draining land by, 20.

Freeling, George Henry, Esq. evidence by, 102.

Freemantle, Mr. improved cold-water pump by, 203.

Fulton, Mr. introduces the steam-boat in America, 50.

Furnaces, witnesses examined by Committee of House of Commons upon,
240; Gregson, 240; Moult, 243; Tuthill, 243; Losh, 245; Brunton,
245, 255; Parkes, 248; Phipson, 250; Perkins, 251; SpurreH, 251;
Hawes, 252; Mills, 252; Dugdale, 252; Taylor, 252; Finlay, 255.

Galloway, Mr. evidence upon steam navigation by, 79.
Gas, hydrogen, a substitute for condensable vapour, 14.
Governor, description of, 133.

INDEX.

AIR-pump, for steam engines, description of, 123,

Alcohol, vapour of, its use as a substitute for steam, 31.

America, the atmospheric engine first employed in, 39; Mr. Trevithick con-
structs steam engine for South, 41; Mr. Fulton introduces the steam
boat in, 50.

Amontons, fire-wheel invented by, 20.

Atmospheric Engine, suggested by Papin, 12; applied to the draining of
mines by Newcomen, 17; ingenious mode of illustrating the operations of,
18; H. Beighton's improvements, 19; first employed in North America, 39;
description of, 145.

Barometer-gauge, 124.

Barton's, Mr. piston, 121.

Beighton, H. improvements on the atmospheric steam-engine, 19.
Bell-crank Engine, constructed by Boulton and Watt, 38.

Blenkinsop, Mr. constructs an iron rail-road for locomotive engines, 42.

Boaz, Mr. James, the steam engine of, 15.

Boiler, employed by Brindley, 134.; Savery, ibid; Marquis of Worcester,
ibid.; Newcomen, ibid.; wooden boilers introduced by Messrs. Anderson
and Livington, 135; Boulton and Watt, 135; Woolf, 136; Trevithick, ibid.
Braithwaite, Mr. evidence upon steam navigation by, 82.

Bramah, Mr. evidence upon steam navigation by, 70.

Brancas, suggestion for a high-pressure steam-engine by, 6.

Bridges, portable steam-engines now employed in the erection of, 33.

Brown, Mr. on the construction of a gas engine by, 14.

Brunton, Mr. evidence upon steam navigation by, 89; improved mode of
consuming smoke, 170.

Buchanan's, Mr. calculation of the expense of a steam-boat on the Clyde na-
vigation, 60.

Caloric, the principle of the high-pressure steam-engine depends on the power
of steam to expand itself by the addition of a given portion of, 33.
Carriages, portable steam-engines employed for propelling, 33.

Cartwright, Mr. suggests the employment of vapour of alcohol as a substitute
for steam, 31.

Century of inventions, notice of the steam engine to be found in, 7.

Chapman, Mr. evidence upon steam navigation by, 75.

Patents for steam engine, App. (A) Adam, 223; Aldersey, 234; Alegree,
238; Anderson, 199; Archbold, 220; Arnot, 236; Barnet, 209; Barton,
227, 234; Bates, 235; Batley, 192; Beaver and Co. 229; Beningfield
and Beale, 236: Bennet 235; Billingsley, 201, 228; Binns and Co. 236;
Bishop, 196; Blakey, 184 Blundel, ¡194; Boaz, 211; Bodley, 230;
Booker, 220; Bourne, Chambers and Gould, 217; Bower and Bland,
237; Bradley, 218; Bramah and Dickinson, 191; Bramah, 199; Brindley,
184; Brunel, 236; Brunton, 233, 234; Broderip, 225, 227, 235; Brodie,
211; Burns, 194; Burnstall and Hill, 238, Carter, 234; Cartwright, 192,
197; Chapman, 223, 226; Church, 232; Clark, 236; Clegg, 220, Clerk,
223; Close, 192; Cochrane and Galloway, 233; Cock, 223; Coe, 215;
Congreve, 232, 236; Cooke, 194; Cowden and Partridge, 219; Craigie,
223; Creighton, 233; Cutter, 229; Dawes, 229; Deakin, 225; Delap,
196, 235; Deverell, 212; Devey, 197, 235; Dickson, 235; Docksey,
223; Dodd, 216, 216, 218; Dodd and Stephenson, 228; Donkin, 202,
230; Dunkin, 227; Earl of Stanhope, 200; Earle, 210; Eckhardt, 196;
Edwards, 204; Egells, 235; English, 220; Fessenmeyer, 219; Fisher and
Horton, 237; Flint, 214; Foreman, 237; Fox and Lean, 225; Fraser,
232; Freemantle, 202; Furnival and Smith, 237; Gilman and Sowerby,
238; Gilpin, 225; Gladstone, 236; Glazebrook, 200; Good, 225; Gregson,
231; Grellier, 220; Griffith, 235; Grove, 193; Gurney, 239; Hague,
234; Haliburton, 233; Hall, 237; Hase, 198; Higgins, 202; Higginson,
226; Hornblower, 188, 193, 208; Hull, 184; Houlsworth, 229; Ikin,
239; James, 225, 238; Johnson, 220, 237; Jones and Plimley, 232;
Justice, 223; Killey, 227; King, 233; Lamb, 217; Lane, 219; Leach,
202, 236; Lester, 217; Lewis, 202; Linnaker, 219; Lloyd, 192; Logan, 225;
London, 236; Losh, 228, 230; Mainwaring, 231; Mallam, 232; Mc. Naugh-
ton, 216; Manby, 236; Marquis de Chabannes, 196, 229, 233; Martin, 202;
Masterman, 235; Maudslay, 218; Maudslay and Field, 238; Mead 219;
Medhurst, 200; Miers, 225; Miller, 214, 218; Moore, 234, 238; Moult,
229, 231, 233; Munro, 231; Muntz, 230; Murdock, 195; Murray, 194,
198, 200; Murray and Anderson 220; Neville, 230; Newcomen and Caw-
ley, 184; Nicholson, 217; Noble, 220, 227; Oldham, 231, 234; Osborne,
231; Parkinson, 202; Parkes, 234; Penneck, 235; Perkins, 236, 237; Per-
kins and Martineau, 237; Pollock, 218; Pontifex, 233; Poole, 231; Price,
218; Pritchard, 234; Queiroz, 193; Raddatz, 238; Rapozo, 193; Rastrick,
227; Rayley, 193; Rider, 207, 234; Robertson, 197; Robins, 218; Ro-
gers, 230; Routledge, 232; Rowntree, 193; Sadler, 191; Saint, 201;
Savery, 183; Scantlebury, 220; Scott, 231; Seaward, 233; Sharper 200,
Slater, 228; Smith, 218, 236; Steed, 189; Steele, 226; Stein, 235; Sten-
son, 230; Stephen, 204; Stephenson, 236; Stevens, 210; Stewart, 187;
Stirling, 230; Stratton, 200, 231; Street, 191; Strong, 192; Sutherland,
226, 227; Symington, 199; Taylor, 230, 233, 237; Teissier, 239;
Thompson, 191; Thompson and Barr, 239; Tillock, 238; Tindall, 227;
Trevithick, 228; Trevithick and Vivian, 200; Trotter, 214, 225; Turner,
230; Wakefild, 234; Washborough, 187; Watt, 185, 189, 190,
ibid, i

White, 227; Wigston, 237; Wilcox, 199, 202, 204, 216; Wilkinson,
194; Witty, 221, 223, 227; Woolf, 203, 205, 211, 222; Young, 200.

Paddle-wheels, Mr. Hulls proposes the employment of, 47.

Papin, Dr. describes a mode of raising water by the agency of steam, 11;
description of an atmospheric engine by, 12; improves Savery's engine, 15.
Parallel motion, construction of, 125.

Parkes, Mr. smoke consuming apparatus by, 170; evidence in favour of, 248.
Piston, description of, 118; improved by Woolf, 120; expanding metal, by
Cartwright, 120; Mr. Barton's 121; Mr. Murray's improvements in the
interior surface of the cylinder in which the piston works, 122.

Plug-frame, its application, 29.

Pontifex, Savery's engine improved by, 142.

Portable high-pressure engine, description of, 179.

Portable steam-engine constructed by Mr. Smeaton, 32.

Rail-road, Mr. Blenkinsop constructs one for locomotive engines, 42.

Report of Committee upon steam navigation, 98; upon steam engines and
furnaces, 240.

Richter, Mr. evidence upon steam navigation by, 87.

Roberton's, Mr. consuming smoke, and increasing heat, 168.

Rogers, Capt. evidence by, 168.

Rotatory engine, suggested by Kempel, &c. 37; improved by Masterman,

164; patents for, 187, 190, 193, 199, 202, 217, 219, 234.

Sadler, Mr. patent for a rotatory engine, 37.

Safety-valve, its use, 138.

Savery, Captain obtains a patent for a new mode of raising water, 12; steam,
engine by, 12.

Sheffield, Mr. air-conductors, 173.

Single-acting engine, description of, 148,

Smeaton, Mr. portable steam-engine constructed by, 32.

Smoke, from steam-engine furnaces, mode of consuming, 167, 168, 169.
Soho, described by Dr. Darwin, 28.

Sovereign steam packet, 103.

Stanhope, Lord, a very ingenious apparatus invented by, 51.

Steam boat constructed by the Marquis de Jouffroy at Lyons, 50; description
of one constructed by Mr. Symington, 51; Mr. Maudslay's construction of
a large engine for a, 57; Mr. Buchanan's calculation of the expense of one
on the Clyde navigation, 60; explosion at Norwich, 63.

Steam carriage employed at Wylam Colliery, Newcastle, description of, 177.
Steam-gauge, 124.

Steam navigation, first suggested by Mr. Hulls, 46; attempted by Doquet,
and the Marquis de Jouffroy, 49; Mr. Linnaker obtains a patent for im-
provements in, 53; imporvement in, by Dickson, 56.

Steam navigation, witnesses examined by Committee of House of Commons,
62-102; Braithwaite, 82; Bramah, 70; Brunton, 89; Chapman, 75;

Collinge, 73; Donkin, 63; Dodd, 84, 91, 97; Galloway, 79; Hall, 82;
Hunt, 66; Jessop, 91; Lean, 97; Lester, 98; Maudslay; 78; Nimmo,
92; Richter, 87; Steel, 89; Taylor, 70, 76; Tilloch, 83; Vivian, 94;
Woolf, 93; Wright, 86; Freeling, 102; Rogers, 168; Brown, 113.
Steam, phenomena connected with the formation of, 2, 3, 4.

Steam-pipes, description of, 138.

Steam wheel invented by Deslandes, 20.

Steel, Mr. evidence upon steam navigation by, 89

Symington, Mr. description of a steam-boat constructed by, 51.

Taylor, Mr. evidence upon steam navigation by, 70, 76.

Throttle-valve, its use, 132.

Tilloch, Mr. evidence upon steam navigation by, 83.

Trenchard, Mr. Secretary, queries of, 48.

Trevithick, Mr. constructs steam engines for South America, 41; reception of
at Lima, 41.

Trevithick, Messrs. high-pressure engine, 34, 155.

Tredgold, Mr. his important calculations for the construction of steam boats,
263.

Trinidad, Mr. Lushington introduces the steam engine at, 40.

Troke employed in a rotatory engine, 163.

Ure, Dr. experiments concerning the elastic force of steam by, 2'; suggests the
employment of vapour of alcohol as a substitute for steam, 31.

Vessels, portable steam-engines employed for propelling, 33.

Vivian, Mr. evidence upon steam navigation by, 94.

Watt, Mr. James, outline of his improvements on the steam engine, 24;
double-acting engine, 29; expansion engine, 29; consuming smoke and
increasing heat, 168.

Witty, improved rotatory engine by, 221, 223.

Woolf, Mr. temperature and expansive force of steam by, 34; evidence upon
steam navigation by, 93; his double-cylinder engine described, 157.
Worcester, Marquis of, one of the first who suggested the use of steam as a
prime mover, 7, 8, 9,

Working Beam, 125.

Wright, Mr. evidence upon steam navigation by, 86.

Bartlett and Hinton, Printers, Oxford.