Russell, Professor, on the fallacies of the
rotary steam-engine, 193; on the motion
of waves, 410, 426; on steam navigation,
472, 474

Russian weights and measures, 453
Sadler's rotary engine, 194

Saddle-trees, Kelley's improved, 205
Safe, Sherwood's patent, 142
Sail-worked paddles, 112

St. Austell, Cornwall, account of, 12
St. Katharine's docks, construction of, 89
Salt for dairy purposes, 47
Sand-bath, Dr. Rogers's, 449
Scaffolding, mode of building obelisks with-
out, 225

Schafhaeutl's rotary engine, 196

Science, men of, an dorders of knighthood,320
Scott, Sir Walter, Kemp's design of monu-
ment to, 78

Seaward's patent slide-valves, 8, 23, 52;
patent steam-saver, 106; steam-engine,
185, 238; evidence on the Victoria ex-
plosion, 351, 361; on the comparative
strength of cylindrical boilers, 370, 415;
on the cause of steam-boiler explosions, 473
Ship-saving apparatus, Gyngell's, 32
Shipping of the port of London, 91
Ships, sunken, blowing up, 170
Shoes, waterproof, 22

Shot, hollow, 304

Sims's improvements in the steam-engine,
269

Silliman's straw cutter, 110

Silver, quantity obtained from mines in
France, 408

Sirius, first voyage of the, 120, 151, 182
Slack's method of building an obelisk with-

Soane's, Sir John, benefactions, 96

Sopwith's secretary's writing table, 409
Sorel's, M., galvanization of metals, 122
Soult's, Marshal, visit to Birmingham, 301
Sounding machine, Massey and Co.'s im-
proved, 137

Southampton railway station, 145
Speaking-trumpet, Sir S. Morland's, 22;
Prosser's railway, 30

Speed, comparison of, 31; of steam-vessels,
148, 150, 152, 168, 295; on railways,
329, 377

Spoke-shave, Beckwith's improved, 112
Spontaneous combustion, 64
Springs, caoutchouc, 180
Steam heating apparatus, Joyce's, 304
on the expansive use of, in marine

engines, 391

destruction of smoke by, Ivison's
plan, 403, 447

Steam-boiler, Sir J. Anderson's, 161, 278,
312, 326, 328, 380, 420, 439; Hancock's,
162, 278, 312, 326, 328, 380, 388, 430,
439; Rush's, 239; cylindrical, 276, 325,
460; Trevithick's, 299; Bell's, 317;
Furnival and Smith's, 381, 313; Alban's
Raddatz's, 327, 381; James's, 327; He-
bert's, 327; Victoria, 340; Chapman's,
374 waggon shaped, 460; L flue, 461.
Steam-boiler explosion, Victoria, 118, 264,
309, 336, 340; American, 191; at New-
ton, 448

Steam, essence of, 176

Steam-boiler explosions, on causes of, and
modes of preventing, 264; Seaward on,
373; Greener on, 412; Barthe on, 418;
Symington, 444; Blanchard's, 448
Steam-boiler explosions, report of experi-
ments of Franklin Institute on, 455
undue heating of boiler by deposits, 455
inefficiency of "blowing off," 455
nature of deposits, 456

instances of deposits, 456

non-conducting substances in boilers, 457
cleansing and "blowing off," 457
effect of careening of steam-boats, 457
various proposed remedies, 457

Rush's plan, 457; Evan's, 458; Wil-
liams's, 458

undue heating of boiler in contact with
water, 458; instances, ib.

constant feeding of boiler, 452
self-regulating feeding apparatus, 459
water gauge, 459

fusible alloy plug, 459

table of fusible alloys, 460

defects in construction of boiler, 460

form of, waggon shaped, 460; tubular,
461; L flue, 461

material and manufacture, 462

appendages to boiler, 464

carelessness of engineers, 464

cases of collapse, 464

proposed bill, for regulation of steam
boats, 466

Steam-boiler incrustations, preventing, 288
safety plug, Dodd's, 401; Hum-

phrey's, 402

water gauge, Cook's, 83; Sy-
mington's, 444; Blanchard's, 448
riveting machinery, Fair-

bairne's, 473

French, 96, 208, 320
in England, statistics of,
216; compared with other nations, 216;
in Russia, 288; cheap, 320, Professor
Russell on, 472, 474

Steam plough, premium for, 144; French,
480

Steam-vessels, on the construction of, 147;
new American act for the regulation of,
398, 466; enormous, 448; iron, 148,
416, 448, 472

Steenstrup's rotary engine, 196
Stein's rotary engine, 196
Stewart's rotary engine, 196
Stephenson's theatrical machinery, 477
Stocking machines improved, 480
Stone-planing machinery, Hunter's, 47,

144; Hull and Critcherson's, 143; Buz-
zell's, 143

Stove, Dr. Arnott's, 16, 100, 161; Joyce's,
32, 33, 73, 77, 105, 168, 208, 313
Stove, air box, Pollock's, 109
Stoves, gas, improvements in, 81, 134
Stove cooking, improved domestic, 177
Stove, for heating hatters' irons, 206
Stoves, Hall on the construction of, 410
Straw cutter, Silliman's improved, 110
Strutt's rotary engine, 196
Sulphate of barytes for paint, 40
Sun's parallax, seeking, 281

Suspension bridges, Dredge's, 115; Menai,

336; over the Avon, 468

Swiss portable fire-engine, 422

-

Garnett's day and night, 409
Telescopes, Garbutt's new mode of mounting,
273

Telford's design for St. Katharine's Docks,
89; anecdote of, 336

Thames steamers, bill to regulate speed of,
152

Thames tunnel works, Walker's report on
the. 252, 323

Theatrical machinery, Stephenson's, 477
Thorp's tongues of power loom shuttle, 111
Thermoscope galvanometer, Dr. Locke's, 271
Timber, preservation of, Flockton's mode
of, 48; Kyan's, 182; Gotthilff,s, 206
Tin mines, Cornish, 12
TomlinsoD's, Mr., experiments on prismatic
colours, 394

Tongues of power-loom shuttles, Thorpe's,

111

Tooth and pinion gear for locomotives, 334,
377

Trevithick's, Mr., rotary steam-engine, 194,
196; cylindrical boiler, 299
Trotter's rotary engine, 196
Trumpets, steam, 99
Tunnels, railway, 32

Turner's rotary engine, 196

Turning, practical hints to beginners in, 85;
simple mode of forming eccentric and oval
chucks, 86; Wilcox's revolving slide-rest,
209

Ure's, Dr., theory of the blowing fan, 85
Utting's astronomical tables, 58
Valves, new mode of working, 474
Ventilation of mines, new method of, 369
Venus, seeking how to find parallax from
transit of, 281

Viaduct, wooden, over Ouseburn, 413;
Green's, 474

Victoria, explosion of boilers of, 188, 264,
276, 309, 336; report of inquest, 340
Villages, locomotive, 240

Walker's report on Thames tunnel, 252,
.323

Washborough's rotary engine, 196

Wash-hand stands, earthenware, 438

Warming-pans, patent improvements in, 21

Whitelaw's, Mr. James, improved steam-
boiler feeder, 66, 107, 133, 184; expansion
gear and slide-valves, 305; Mr. George,
steam-boiler feeder, 266

White lead, adulteration of, 40; Philip's
improved mode of making, 110; Holland's
mode of, 319; adulteration of, 114; Why-
tock's and Co.'s improved carpets, 302
Wickstead's, Mr., evidence on Victoria ex ·
plosion, 349

Wilcot's rotary engine, 196

Wire ropes in Hartz mines, 471
Witty's rotary engine, 195, 196

Wilcox's revolving slide rest, 209, 267

William, blowing up of the, 130, 170, 447
Wires, Platina, 384

Wooden paving, Macerone's, 436
Wool, removing, from skins, 303

Woone's mode of engraving, 163, 210, 236
Working classes in London, condition of,
158

Wright's improved gas stove, 81

Wright's, L. M., rotary engine, 196
Yule's rotary engine, 196

Zincing metals to prevent oxydation, 122