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9. Cooking stoves, .

Abner Leland,

10. Connecting carriage body with the perch, George Nichols,

11. Dressing stone,

12. Pump,

13. Current water power,

14. Clocks,

15. Smut machine,

16. Cooking Range, .

17. Liverwort candy,
18. Cooking stove,

19. Whipple trees,
20. Cupping apparatus,
21. Plough for ditching,
22. Rails for railroads,
23. Corn sheller,

24. Splitting leather for harness,
25. Wrought-iron ploughs, .
26. Locks for safes, vaults, &c.,
27. Sealing wax and phosphorus,
28. Regulating changes of temperature,
29. Locks for safes, vaults, &c.,
30. Sails for vessels, cutting, &c.,
31. Æolian attachment for pianos,
32. Washing machine,

33. Inking forms of printing presses,

34. Cylinder printing press,

35. Steam valve,

36. Spinning rovings,

37. Bee house,

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Hammond Ward,

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ib.

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412

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ib.

413

ib.
414

ib.

415

ib.

ib.

416

ib.

William McCall,

Alpha Richardson,

John Thompson,

417

ib.

418

ib.

419

ib.

ib.

420

ib.

421

ib.

ib.

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Axles, Breaking of railway

-, Experiments on the strength of hollow and solid

Bakewell, T. W., Remarks on long and short connecting rods,
Bank notes, &c., Preparing paper for-patent,

105
157
361

293

13

101

163

107

186

Batchelder, J. M., Remarks on the explosion of hardened steel,
Belts, Morin on transmitting motion by

133

22

Blast furnace Hearth,

203

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Brake, or friction dynamometer, Observations on De Prony's

155

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Coal gas, Purifying

Combustion of coal,

Daguerreotype process, Improvements in the

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Chimney one hundred and twenty feet high, Method employed for repairing a

Chlorides of gold,

Civil Engineers, Proceedings of the Institution of

Clocks used in observatories, On loud beats of

Cloth, On fixing color in-patent,

Coal mines of France,

Colors in homogeneous bodies, Prismatic

Compensating pendulum, Triangular

Connecting rods, Bakewell's remarks on long and short

Copper mining in Cornwall,

ores, Captain Hughes' report on working

Cornish engines, Captain Hughes' report on

Cotton fabrics, Water proofing-patent,
Crystals of salt, Means of preserving the

Cutting, or shearing, iron-patent,

Cuttings, Constructions to retain the sides of deep

Cylinders, Method of tracing spirals on the surface of

Dalton, Death of Dr.

Danube, Suspension bridge over the

111

356

ib.

103

286

18, 86, 101, 157, 226, 258

281

19

159

431

105

160

134

107

223

31, 124, 194, 261

161

358

283

358

162

353

287

434

370

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Friction dynamometer, On De Prony's brake, or

Fuel in locomotives on the Liverpool and Manchester railway, Consumption of
Furnace for converting ore into iron-patent,

206

133

260

160

135

431

433

355

155

367

117

255

119

203

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Report on the explosion of the gun on board the steam frigate Princeton,
Committee on Exhibitions.

206

Address on awarding premiums of the 14th exhibition, by J.Wiegand, Esq., chair. 372
Report of the committee awarding the premiums, &c., of the 14th exhibition,

375

Gas, On purifying coal

Glass, Coating with silver,

Improvement in the manufacture of-palent,

Glue, to prevent fouling of ships, Marine

Gluing, or cementing, Å new method of patent,

Gold, Chlorides of

paint, Bessemer's patent

recently discovered in the Ural,

Gun, Explosion of, on board the steam frigate Princeton,

Guns, Report of Committee on Naval Affairs on large wrought-iron

[blocks in formation]

guns, Report of the Committee on Naval Affairs on large wrought
light house for the island of Bermuda, Cast

steam vessel, Wrecking of an

Oxidation of

Lamp, Description of a new safety

Leveling instrument, Description of an improved

Life preserver, Stephen's

Light house, Description of the Wyre

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for the island of Bermuda, Cast-iron

111

Removal of the Sunderland

161

Lights, Robeson's patent signal

344

Limestone, On the magnesian

110

Litrometer, Description of the

28

Liverpool and Manchester railway, Consumption of fuel in locomotives on the

367

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Triangular compensating

Porcelain, Introduction of, into France,

[blocks in formation]

Metals upon felted fabrics, Deposition of-patent,

Mineral and metallic statistics,

Miners, Description of a machine for raising and lowering

Mines of Brazil, The diamond

Mining in Cornwall, Copper

Morin on transmitting motion by belts,

Morris' remarks on water-wheels, Observations on

Obelisk at the Cape of Good Hope, Account of the erection of the Herschel

Observatories, On loud heat of clocks used in

Occultations, lunar

Ores, Captain Hughes' report on working copper

of Samakoff, Reduction of the magnetic

tin, Reduction to a metallic state of

Oxidation of iron,

Paint, Bessemer's patent gold

Paper designed for bank notes, &c., Preparing-patent,

Parson's locomotive expansive apparatus,

Patent law of France, new

Patents expired in 1843, List of American

Pendulum, Compensating

Description of a self-registering

marine artificial horizon

Photographic process,

Photography, Calotype process of

Pier for ice fender at Newcastle, Screw pile

Piers of Sarclet harbor, Rebuilding the

Platina in the sands of the Rhine,

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119

70

432

65

260

221

16

72

223

22

73

281

280

72, 216, 288, 360

31, 124, 194

103

196

99

349

186

65

433

137

277, 278

347

70

134

283

43

1

162

72

58

102

61

105

86

145

112

119

268

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-, Consumption of fuel in locomotives on the Liverpool and Manchester

367

105

18

361

R. Stephenson's opinion of the atmospheric

wheels, Apparatus for lessening the vibration, &c., of

Working expenses of the atmospheric

Railways, Slips in cuttings and embankments of

Reverberatory furnace for converting ore into wrought-iron-patent,

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Rods, T. W. Bakewell's remarks on long and short connecting
Ropes, Patent wire

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Wrought iron, Furnace for converting ore into-patent,

guns, Report of the Committee on Naval Affairs on large

Wyre light house, Description of the

326

268

291

160

358

73

21

85

15

117

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