Hackling machines, Robinson's
patent, 93: Donisthorpe and
Whitehead's, 477
Haines' patent packing, 596
Hale, (J. L., Esq.,) experiments
on the discharge of water from
pipes, 543

Hall's improvement in painting
translucent surfaces, 22

-, (S.) patent furnace and
steam-boiler, 286

Hamilton's patent veneer-cutting
machine. 68

Hammond's improvement in Ice v. steam, 501
umbrellas, 45

Hancock and Co.'s gutta percha
heel-tip, 443

Handles, Wilkes' patent, 477
Hanns' elements of plane trigono-

metry (review), 401: plan for
the drainage of tidal towns, 463
Hardening iorn, Dugdale's patent
mode of, 66

Hartley's patent improvements in
steam engines, 334
Harrison & Oddie's patent looms,
140

-, patent biscuit ovens,

382, 409
Harrows, Campbell's patent, 616
Hats, Tyler's patent improve-
ments in making, 92; Vouillon's,
332

Hawkins, Mr. A., on glyphography,
608

Haworth's, (Dr.,) respiratory ap-
paratus, 55

Heat, specific, of alloys, 7: of the
vaporization of water, 300
Hebson's patent steam-engines,

570

Heating, Wilkins and Stacy's
patent improvements in, 92;
Smith's, 132; notes on, by Sir
Samuel Bentham, 133; Crosley's,
210, 234; Defries and Petit's,
237; Swan's, 282, 361; Newton's,
584; Masters's, 573
Hecker's liquid drawing and mea-
suring apparatus, 453
Heel-tip, gutta percha, 443
Henderson's patent metallic cast-
ings, 308

Henson's patent railway carriage,

577

Herschel's, (Sir John F. W.,) "Out-
lines of Astronomy" (review),
365, 393

Hick and Hodgson's patent steam

engine and screw propeller, 210
Hill's patent improvements in the
manufacture of iron, 142
Hobler's patent capstans and
windlasses, 44

Hodges's patent mechanical pur-

chases and projectiles, 546, 555
Hoe's steam printing press of "La
Patrie," 437

Holdsworth, Mr.,on the "Orkney"
or "Galloway engine," 349
Horn's camphine lamp, 621
Horse-shoes, Parry's patent, 334
Horsley's patent processes for pre-
venting incrustations and ren-
dering water pottable, 430
Hose-joint, gutta percha, 558
House export trade, 440
Houston's patent improvements
in obtaining motive power, 572
Howard's patent glass furnaces,

331

Hub, Hunter's, 621

Hulot's patent shirt-fronts, 549

Iles' patent improvements in
moulding and ornamenting, 429
Illuminating clock dials, 584
Impolicy of concealed or indirect
rewards, 391

Incrustations in boilers, Horsley's
patent process for preventing,

430
India-rubber, manufactures, Nic-
kel's patent, 45; Simpson and
Foster's, 428; Burke's, 430
India, steam navigation in, 228,
254, 275
Indicator, pressure, Mr. Fraser's,
364; Alliott's patent, 381

--,-telegraph, Curtis's, 620
Infinity, on the symbol of, by
James Cockle, Esq., M.A., 124
Institution of Mechanical Engi-
neers, 465

Iron, Dugdale's patent mode of
hardening, 66: Paris's method of
preventing the oxydation of, 94;
Hill's improvements in the ma-
nufacture of, 142; Baird and
Whitelaw's do., 238; Thorney-
croft's do., 616

561

structural changes of, 465,

warehouses for San Fran-
cisco, 234, 440
Iron, on the manufacture of the
finer kinds of, 298

Jackson, G. B. W., Esq., C.E.,

steam navigation in India, 255
Jackson's, (T.,) alloy, 452
Jacob's patent parasols and um-
brellas, 619
Jacquard machinery, Martin's
patent improvements in, 67;
Newton's, 450; Fontainemo-
reau's, 505, 523, 560.
James's cellular steam generator,
276, 621; æronautic project for
the succour of Sir John Frank-
lin, 518

Jobson's patent stoves, 19
Johnson's patent improvements in
malting, fermenting, and brew-
ing, 93

Jones, Mr. D., new method of
electrotyping, 469

Joule, J. P., on the heat of the
vaporization of water, 300
Jowett's patent mode of stopping
power looms, 549

286

Kurtz's patent looms, 210

preservers, Ruthven's patent,

Lifting and moving heavy bodies,
Gougy's patent improvements
in, 116

Lift hydraulic, of the Britannia-
bridge, 301; pneumatic, 223
Light, benzole, 34

electric, Pearce's patent,
189; Mr. W. S. Ward on, 271
Lighting, improvements in, Wil-
son and Humphrey's patent,
17; Crosley's, 210
Lighthouses, Mr. Aston's distin-
guishing mark for, 30
Lime, superphosphate of, Tuck-
ett's patent, 597

Limbs, artificial, Brooman's pa- Matches and match-boxes; Pal-
tent, 116

mer's patent, 161; Knapp's mode
of preparing, 382
Mathematical periodicals, contri-
butions to the history of, 244,
293, 350, 484

-English,
introduction of differential nota-
tion into, 422
Maynard, Mr. S.; short method of
finding the least common multi-
ple. 563

Mazeline's patent improvements
in steam engines and propelling
machinery, 66

M'Bride's patent process for con-
verting salt water into fresh. 333
M'Clellan's patent corn-mill, 67
M'Dougall's patent process for re-
covering washing materials, 285
Meal, Bovill's patent improve-
ments in manufacturing, 548
Mechanical engineers, Institution
of, 465

purchases; Hodges's
patent, 546, 555

-, Brewer and Smith's pa-
tent improvements in the ma-
nufacture of, 161; Brindley's
waterproof, 213
Parasols, Barker's patent, 210;
Jacob's, 619
Paris's patent method of prevent-
ing the oxydation of iron, 94

568

dentist's copper amalgam,

Parish's patent lamp and gas-
burners, 142

Parker's patent pianoforte, 500
Parkes' patent improvements in

metals and alloys of metals, 309
Parkinson's patent gas and water-
meters, 286, 289

Parry's patent horse-shoes, 334
Parson's patent improvements in
railways, engines, and carriages,
211

Patent law cases, American,
Blanchard's gun-stock turning
lathe, 61; Morse v. Bain, 250:
Planing machines, 444

-, English, The
Queen v. Cutler and others, 21;
The Queen v. Sievier, 22; Hol-
liday . Fawcett, 41; Betts v.
Walker and Breffitt, 70; Sellers
v. Dickinson, 214

law of, Report of the
Committee on the Signet and
Privy Seal-Offices, 87, 108, 137,
156, 182, 201, 231, 322

new, English, 22, 46,
70, 94, 118, 143, 167, 190, 214,
238, 263, 287, 310, 336, 358, 383,
454, 479, 502, 526, 551, 574, 598,
615

Specifications of, 16, 42,
64, 9, 116, 139, 160, 189, 209,
236, 282, 306, 327, 378, 404, 426,
447, 476, 500, 522, 545, 570, 596
Irish, 23, 143, 239, 311,

406, 527, 615

Patent, Scotch, 94, 214, 310,
406, 526, 615

, recent American. 22, 45,
68, 450, 478, 501, 596, 621
Pattinson's patent compound of
lead. 163

Payne's patent clocks and watches,

283

, E. J., patent improve-
ments in life-boats, moulding,
and varnishes, 571

-, and Currie's patent
improvements in coach-lace and
loop-fabrics, 573

Pearce's patent electric light, 189
Peat, Reece's patent improve-
ments in treating, 91; Green's
mode of preparing, 237
Pegging machine, Brown's patent,

141

Pell's, Dr., geometrical theorem,
581

Pen, fountain, Lymen and Bald
win's, 451

Pencils, slate, Cohen's, 453
Percussion cap, Brooke and Sons,
water-tight, S
Perforating machine,

Brown's

patent, 141; Knight's, 575
Periodicals, mathematical, con-
tributions to the history of, 214,
293, 350, 484

English,
introduction of differential no-
tation into, 422

Perforated glass windows, 515
Person, M., on the specific heat of
alloys, 7

Pesth suspension bridge, 238
Phillip's patent improvements in
extinguishing fire, 380, 424, 579
Physical science, probabilities and
possibilities of, 150
Physics of steam, 437
Pianofortes, Lowe's improvement
in, 478; Parker's patent, 500;
Wire's, 501
Picault's patent oyster-opener, 572
Pickering's patent improvements
in evaporating, 285
Piers, land, new principle of con-
struction of, 569
Pim's patent improvements in
propelling, 116

Pinchbeck, Mr. J.; patent im-
provements in steam-engines,
140; on the continental method
of setting out railway curves,459
Pipe, connections, Poole's patent,
16; Rowe's patent, 42

-cutting machine, Wilson's
patent, 616

-making machine, Burton's
patent, 572; Warner's, 596
Pipes, experiments on the dis-
charge of water from, 543

fusible, on the application of
to extinguish fire, 403

-, metal, Cutler's patent, 212
-, on the flow of gas through,

392

con-

Piron's patent system of
structing foundations, 378
Pistons, Moat's patent, 37
Pitter, J., Esq.; Newton's mine
ventilating-machine, 32
Planing-machine, Fletcher and
Fuller's patent, 428; American
patent law case, 444
Plastic materials,

Goodfellow's
patent improvements in, 525,
529; Burton's, 572; Wilson's, 616
Ploughs, Campbell's patent, 616

xvii

Plummer's patent flax machinery,
313, 337, 371
Pneumatic, lift, 223

-machines, Remington's

patent, 382

Polishing (grain) machines, New-
ton's patent, 163
Pollard's patent rope and cable-
stretching, hardening, laying,
and closing-press, 193
Poole's patent improvements in
heels, swivels, fastenings, fur-
niture, and screw-couplings, 16;
drawing fluids from the body,
500; separating, cleaning, and
cooling machines, 546

Power, motive, improvements in
obtaining and applying, Bog-
gett's patent, 91; Clarke and
Mackintosh's,
Motley's, 283;

306; Lawe's, 549; Smith's, 571;
Houston's. 572; Samuda's (Lom-
bard's), 573, 601; Nasmyth's,
618

Preddy's watch and clock-keys,
573, 588

Premiums, mischievous effects of,
606
Preparing fibrous substances, im-
provements in, Calvert's patent,
68; Robinson's, 93; Shaw and
Cottam's, 116; Gibson's, 116;
Lord's, 162;
Wright's, 118;
Mason and Collier's, 308; Do-
nisthorpe and Whitehead's, 477;
Grundy and Farrow's, 545
Preserving grain, Britten's patent
improvements in, 328

substances, Vernet's
patent arsenical solutions for,

405

Presses, hydraulic, of the Britan-
nia bridge, 301

, lever, Ruthven's patent,

printing, Beniowski's,
26; La Patrie's, 437; Knight's,
573

, rope-stretching, Pollard's
patent, 193
Clark and Motley's
Pressure,
patent improvements in resist-
ing, 282

-, indicator, Mr. Fraser's,
364: Alliott's patent, 381
Printing, Cocksey and Nightin-
gale's patent improvements in,
Be-
379; Broquette's, 404;
niowski's, 426; Dalton's, 448;
Knight's, 573; Burch's, 596
Privy Seal-Office, Report of Com-
mittee on, 87, 108, 137, 156, 182,
201. 231, 322
Probabilities and possibilities of
physical science, 150
Projectiles, Hodges's patent, 546,
555
Propeller, Mr. Alex. Gordon's
fumific. 174
Propelling, improvements in, Ma-
zeline's patent, 66; Pim's, 116;
Hick and Hodgson's, 210; Dug-
dale and Birch's, 545; Camp-
bell's, 616

Prosser, Thos., Esq., C. E., on the
Physics of Steam, 437

R. Esq., C. E., Sir J.
Bentham's ship-timber sawing-
machines, 443

Public Records, desiderata in a
repository for, 78
Puddling furnaces,
patent, 66

Williams's

42:

-wheels, Haddan's patent,
Newton's, 44; Parson's,
211; Green and Newman's,
327; Kilner's, 428
Railways, Barlow's patent im-
provements in constructing, 93,
597; Brown's, 142; Parsons',
211; Clark and Motley's, 282;
Bragg's, 284; Reynolds's, 331
Ramelli's Mechanics, 16
Rawson, R., Esq., on the friction
of water, 299, 300
Records, public, desiderata in a
repository for, 78
Reece's patent improvements in
treating peat. 91

Reece and Price's patent improve-
ments in sugar, 524
Reeling machine, Dodge's patent,

477

Refrigerator, Waterman's, 501
Register of the flow of fluids,
Mackintosh's patent, 306
Registered designs for articles of
utility, 23, 46, 70, 94, 119, 143,
167, 191, 214, 23, 263, 287, 311,
336, 358, 383, 406, 431, 455, 479,
502, 527, 551, 574, 598
Registration law case, Benesh v.
Brooks, 164
Regulator, fluid, Mackintosh's
patent, 306; Thompson's, 429
Relative and absolute zeros, 250
Remington's patent steam, hy-
draulic, and pneumatic ma

chines, 382
Remond's patent envelopes, 212
Report of Committee of the signet
and Privy Seal-Offices, 87, 108,
137, 156, 182, 201, 231
Respiratory apparatus, Dr. Ha-
worth's, 55
Revivals, mechanical, 276-

Roads, Macadamized, superiority
of, 272; Clarke and Motley's
patent mode of constructing, 282
Roasting jacks and chains, Brit-
ten's patent, 328
Robertson's, J. C., Esq.; evidence
on the law of patents, 113,
187, 157
Robinson's patent improvements
in breaking, scratching, cutting,
hackling, dressing, combing,
carding, drawing, roving, and
spinning machines, 93
Rochaz's patent oxide of zinc, 213
Rock, Mr. James, jun; on struc-
tural changes of iron, 561
Rodman's lamps, 452
Roe's improved "Morse's tele-
graph," 69

Rolling wheels, motion of, 4
Ropes, Pollard's patent press for
stretching, hardening, laying,
and closing, 193

, wire, Smith's patent im-
provements in manufacturing
and setting up, 516, 525
Roving, improvements in, Robin-
son's patent, 93

Rowe's patent mode of uniting
pipes, 42

Rowlandson's patent modes of
treating mineral waters and
obtaining metals,

Ruggles, improvements in vine-
gar, 596

Ruskin (John), "The Seven Lamps
of Architecture," by (review),

128

Russell and Woolrich's patent im-
provements in metallic coating,

285
Ruthven's

Separator, ore, Cook's electro-
magnetic, 1, 42

Newton's patent, 332;

Poole's, 546
Sewers, Salter's patent system of
flushing, 3, 401

Sewing machine, Brown's patent,

141

Shank's patent mode of casting,

282

Sharp's, Mr. W. D., revolving
blade paddle-wheel, 433
Shaw and Cottam's patent prepar-
ing, spinning, and doubling
machines, 116

Shears, Stow's patent, 615
Shepherd's patent improvement
in electric clocks and telegraphs,

382

Ship-builders and engineers, 53
Ships, flambing bows of, 3, 39, 53,

106; Brown's patent improve-
ments in constructing and rig-
ging, 142; masting of, 247, 268,
275; Sir S. Bentham's machines
for sawing the timbers of, 443;
Dugdale and Birch's patent
mode of building and propel-
ling, 545

Shirt fronts, Hulot's patent, 549
Shoes, Buckler's patent, 67; Par-
ry's (horse), 334

Shot, lead, Smith's patent, 545;
self-heating, 238

Siemen's patent improvements in

steam engines and evaporation,
287
Signals, railway, Colegrave's pa-
tent, 522

Signet-office, report of committee
on, 87. 108, 137, 156, 182, 201,
231, 322

Silk, growth of in England, 272;
improvements in spinning and
winding, Barberis's patent, 67
Simpson and Foster's patent sol-
vents, 428

Sizing machines, Cocksey and
Nightingale's patent. 379
Slack's patent improvements in
textile fabrics, 548

patent fire-extin-Slate pencils, Cohen's, 453
guisher, life preserver, and Slaughter's patent improvements
lever-press, 381, 436

plan for the better sup-
ply of sea-port towns with, 510
Salter's patent system of flushing
sewers, 401

Samuel's light-load, light-engine

system of railway transit, 491
Samuca's (Lombards) hydraulic
engine, 573, 601

Sawing wood, improvements in,
Francis's patent, 19; Sir S. Ben-
tham's, 443; Fink's 452
Science, physical, probabilities
and possibilities of, 150

-, unreasonableness of, 69
Scoffern (Dr.) on the manufacture
of sugar, 271
Scouring, Thom's patent improve-
ments in, 500
Screw and paddle, 156

coupling, Poole's patent, 16
-, hollow, Sir S. Bentham's
design for, 321

steaming, 166

Sea Walls, construction of, 533

in steam engines, 92
Sleigh's patent railway break, 141
"SlipMorton's, "Miller'spatent,547
Smelting, Low's patent improve-

ments in, 16; Mitchell and
others, 19; Thomson's, 283
Smith, A., patent fluid metal steam
generator, 132

improvements