Governor, Sieman's Chronometric

Gradients, Railway

Western Railway,

Glue, Experiments with Jeffery's marine

Gold, Action of per chloride of, upon the hyposulphite of soda,

Great Britain Iron steam ship, Description of the

Gutta Percha, a peculiar variety of Caoutchouc,

276

189

257

284

289,361

303

122,413

Lead in pure water, Solubility of the Oxide of

tanning by flagellation, Report on

Light, On the Epipolic dispersion of

—, Polarization of, by reflexion from metallic surfaces

Lighting mines by electricity,

Lace manufactures, Improvements in the stocking frame and its connexion with the

Leather and skins, Printing on-patent,

356

31

42

435

$2

222,255

10

123

of—patent

Local attraction of iron ships on the compass, Neutralizing the ~.

London and Birmingham railway,

,

Navigation, Canal steam

Nebulous hypothesis

Melting iron, Cupola for
Metals and Metallic properties,
extraction of, by Electricity
Improved alloys of-patent,
On the corrosion of

poisoning by

Metallurgy, Practice of Electro

Meterological instruments, M. Kreil's self-registering
Millstones, Airiferous

Mineral products of South Wales,

Mines, On the ventilation of coal.

Lighting by electricity

Moon, Globe of the

Projection of a star on the dark limb of the

Motion, Converting rectilinear into rotary

Mouldings in the second fusion, Purifying castings applied to

Mustard, Conversion of essential oil of, into essential oil of Garlic

Nasmyth's patent steam hammer,

Oil of mustard changed into essential oil of Garlic,

276

406

199

353

109

200

419

129

214

142

341

287

370

284

285

283

69

121

64, 284

370

205

121

195

202

202, 279

Paris Academy of Science, Proceedings of the

Patent rights, Opinion of U. S. Circuit Court on sales by Inventors of

PATENTS.-Legal Decisions.

Emerson vs. Hogg & Delamar-Screw propellers,

Newton vs. Grand Junction Railway Co.,-Soft metal boxes,

Perchloride of gold, Action of, upon hyposulphite of soda,

paper, Registry of the hourly variations of the thermometer by means of

Labor provided by

Uniformity of gauge on

Refinery fire, Puddling cast iron by means of gases from a

Revetments, Remarks on Barlow's investigations of the dimensions of

Roman tunnel at Marseilles,

83

153

273

166

P

219

305

17

166

164

342

85

Rowan's Churn, Description of

Ropes, Manufacture of wire

Rosse's telescope, Lord

Rouen, Whirlwind near

Rule, Description of a vernier slide

130

203

420

257

256

Samakoff, Properties of the iron ores of

Screw propellers, Description of the Great Britain iron steam ship with

190

289,361

Seeds, Influence of galvanic electricity on the germination of

Slide rule, Description of a vernier

Soda, Action of the per chloride of gold upon the hyposulphite of

South Carolina Railroad Company, Report of the

Wales, Mineral products of

Spectrum, Action of gases on the Prismatic

Spheroidal state of bodies and its application to steam boilers,

Spiral propellers, Legal decision-Emerson us. Hogg & Delamar,

Star, Projection of on the dark limb of the moon

Steam boilers, On the prevention of incrustations in

Properties of water, and its connexion with explosions of

engine, Notice of Treatise, by Artizan club, on the

expansively and at great velocities, Working engines with high pressure .

256

189

156,231

341

279

280

27

235

222,255

182, 268

40

257

Stocking frame, and its connexion with the lace manufacture,

Stone columns, On the strength of

Sugars, On the different varieties of, and allied substances,

Report on Lovering & Co.'s refined

Suspension aqueduct at Pittsburgh, Wire

bridge, Account of the Hungerford
Case of the Yarmouth

Specification of Patents.

Alloys of metals-Fenton's, .

Artificial stone for grinding, &c.-Ransom's,
Crown Glass, Manufacture of-Ewing's,

Cutting and carving substances-Irving's,
Dyeing and producing colors-Swindell's,
blue and other colors-Metcalf's,

349

214

170

354

258, 332

404

306

82

296

109

171

167

36

33

329

Glazing and enameling cast iron hollow ware-
Hydraulic machine-Heaton's,

Clark's,

31

168

Incrustations in steam boilers, Preventing-Rilterbrandt's,
Keys, wedges and fastenings for railways- Barlow's,
Printing and calendering calicoes- Ferguson & Clark's,

255

170

111

Thermometer, Description of a self-registering

144

by means of photographic paper, Registry of the hourly variations of the, 409

Thread, Zinc,

200

Remarkable properties of, and its connexion with steam boiler explosions, 182, 268
Solubility of oxide of lead in pure

202

Winds of the St. Lawrence, Connexion between the movements of the barometer and the 355
Wire ropes, On the manufacture of

130

Suspension aqueduct at Pittsburgh, .

306

Wood, On the strength of cast iron and

217

Woodbury Lt., remarks on Barlow's investigation of the pressure of banks and dimen
sions of revetments,

1

Woolen manufactures and wool, British

408

Year, mean, or solar, Variations of barometer in the climate of London,

Zinc, antimony and brass, Mauufacture of-patent,
thread,

70

326

200.

ERRATA.

Vol. IX, page 420-line 14th from bottom-for " 30m." read "51m.”

66 12th 66

66

""James A. Dean" read "James Dean."