12. Improvement in sawing irregular shapes, Thomas C. Merrill,

welding iron pipes, J. C. Vaughan and J. F. Winslow,

59. Converting rectilinear into rotary motion, John & T. G. McLaughlin,

Accidents on the Railways in Great Britain and Ireland, Statistics of
Acids and Salts, Manufacture of certain-patent

Air and Water of Towns, Report on the

American Steel by the Adriondac Iron and Steel Manufacturing Company, Notice of

Alcohol, Note upon the Liquified Protoxide of Nitrogen and its action on

384

ib.

385

ib.

ib.

ib.

386

ib.

ib.

ib.

387

81

187

132

81

358

405

Anthracite Iron Manufacture of the U. S. and its Improvement Proposed, Remarks on the 393
Aqueducts, Bridges, &c., Description of Sadler's Improvements in Constructing

Artesian Wells, &c., Thomson's Apparatus for Boring the Earth for Minerals,
Aurora Borealis, Explanation of the Cause of the.

Beams, Girder's, &c., Description of Porter's Improvement in Iron

BIBLIOGRAPHICAL NOTICES.

Baltimore and Ohio Railroad Co., Extract from the Annual Report of the
Bar Iron for Rods, Preparation of-patent

-, Notice of Porter's Patent Corrugated Iron

Technology, or Chemistry Applied to the Arts and Manufactures, Knapp's 408
Coast Survey Map of the Delaware Bay and River, and Report of the Superintendent
of the United States Coast Survey, 1848,

4

104

297

298

141

72

407

Zoology, or Natural History of Animals, Chambers' Elements of

22

Binocular Vision, Note upon some Phenomena of

402

Bismuth, &c., and its Relation to the Magnetic Form of Force, on the Crystalline Polarity of 194
Blanchard's Gun Stock Turning Lathe, Opinion of Judge Kane in an Action for an In-

fringement of the Patent for

259

Boring the Earth for Minerals, Artesian Wells, &c., Thomson's Apparatus for
Brakes of Railway Carriages, Application of Air to the
Bridge at Pesth, Notice of the Suspension

Notice of the Conway Tubular

Sadler's Patent Balance

on the Northern Railway, Notice of the Don

over the New Cut on the Northern Railway,

Bridges, Aqueducts, &c., Description of Sadler's Improvements in Constructing

On the Strength of Materials in the Construction of Wrought or Cast Iron, -, Wrought Iron Bowstring Girders for

68

81

300

157

296

3

82

295

223

1

Carbonizing Wood by Means of Heated Steam, Apparatus for

281

Carbonization of Wood by Surcharged Steam,

279

Cements, &c., On the Formation of Hydraulic Limestones,

201

Cementation from Cast Iron, Analysis of Wrought Iron produced by

71

Chemical and Pharmaceutical Manipulations, Notice of Morfit's .

144

Technology, or Chemistry Applied to the Arts and Manufactures, Notice

of Knapp's

408

Chesnut, Notice of Starch from the Horse

359

Chimneys for Steam Engines, On the Proper Size of Flues for

Results of the Telegraphic Operations of the Survey of the 356
Notice of the Report for 1848 of the Survey of the

Cooper's, C. C., Explanation of the Theory of one of the Phenomena of the Aurora Borealis, 120 Copper Ores, Rivot & Phillips' Process for Smelting

60

Cramps. Description of the Harbor Screw

299

Crystalline Polarity of Bismuth, &c., and its Relation to the Magnetic Form of Force, 194

Dee, Notice of the Viaduct across the Valley of the

83

Delaware Bay and River, Notice of the Coast Survey Map of the

141

Don Bridge on the Northern Railway, Notice of the

3

Earth for Minerals, Artesian Wells, &c., Thomson's Apparatus for Boring the
Electric Light, Specification of Staite's Patent

68

263

Telegraph, Notice of Highton's

Electrotype Process, Application of the

Emerson's Propeller by the United States, Report on the Use of

Engine Register and Steam and Vacuum Gauge, Report on Stillman's

Engines, Regnault's Experiments on Steam

Engravings to White Paper, Method of Transferring

203

196

291

207

50, 114, 190

71

Ewbank's Experiments on the Paddle Wheels of Steamers, Account of

Remarks on

Account of Weaving and Spinning by the Ancients,

Explosion of a Steam Boiler in Allegheny City, Penna.,

42, 107

202

133

352

344

355

Fairbairn, H., Remarks on the Iron Manufacture of the United States and its Improvement Proposed,

393

Fire Proof, Description of Porter's Improvement in Rendering the Floors of Buildings 297
Fiues of Chimneys for Steam Boilers, On the Proper Size of
Furnaces, Report on Gases Evolved from Iron

Committee on Science and the Arts.

Report on Stillman's Engine Register, and Steam and Vacuum Gauge,

the Survey of the Coast of the United States,

207

209

Galvanized Wire and Hemp Ropes, Experiments on
Gas, Improvements in the Manufacture of patent
Gases Evolved from Iron Furnaces, Report on the
Girders, Beams, &c., Description of Porter's Improvement in Iron
Description of McArthur's New Truss

Dynamic Deflexion and Strain of Railway

for Bridges, Description of the Wrought Iron Bowstring

Glass, Manufacture of Pipes of Earthenware, Pottery, and-patent
Gothic Architecture Applied to Modern Buildings, Notice of

71

186

268, 338, 387

297

4

73, 145

1

186

288

Grinding Lenses, On a Simple and Ready Way of Producing Tools for .

127

Gun Stock Turning Lathe, Opinion of Judge Kane in case of Infringement of Patent
for Blanchard's

259

Gypsum, Mode of Hardening

197

Harbor Screw Cramps, Description of

299

Haswell, C. H., Report on the use of Emerson's Propeller by the United States,

Iron, Analysis of Wrought Iron produced by Cementation from Cast

71

Hot and Cold Blast

199

and its Metallurgic Products, on the Magnetic Power of

403

Steel Manufacturing Co., Notice of American Steel, by the Adriondac
Bowstring Girders for Bridges, Wrought

Girders, Beams, Trusses, &c., Description of Porter's Improvement in
Manufacture of the United States, its Improvement proposed, Remarks on the
Anthracite

297

393

Steel, and Sheet Iron, Method of Welding

70

Knapp's Chemical Technology, or Chemistry applied to the Arts and Manufactures,
Notice of

408

Lassell's Telescope, Notice of

129

Latent Heat of Saturated Vapor of Water under Different Pressures,
Lenses, on a simple and ready way of Producing Tools for Grinding
Light, Specification of Improvement in Artificial-patent

Liquified Protoxide of Nitrogen and its Action on Alcohol, Note upon the

358

Locomotive Engine Taghconic, Report on the Explosion of the

Magnetic and Meteorological Observations made at the Royal Observatory, Greenwich
in 1846,

128

Magnetic Form of Force, on the Crystalline Polarity of Bismuth, &c., and its Relation
to the

194

Magnetic Needle, Explanation of the Diurnal Variation of the

284

Power of Iron and its Metallurgic Products, On the

403

Marine Steam Boilers and Apparatus, Manufacture of patent

103

Massachusetts, Notice of the Reports for 1848, of the Railroad Corporations in
Mechanical Principia, Notice of Leonard's

289

72

Metallurgist's Directory, Notice of the Miner's Guide and

Mine Hill and Schuylkill Haven Railroad Co., Annual Report of the
Minot-Rock Light House, An Account of the

407

230

217

Morfit's C. Chemical and Pharmaceutical Manipulations, Notice of

142

Mortar, Experiments on the Cohesion of

Natural Philosophy, Notice of Chamber's Elements of
Nitrogen and its Action on Alcohol, Note upon the Liquified Protoxide of
Oils, &c., for Artificial Light, Manufacture and Purification of-patent .
Optics, Notice of Jackson's Elementary Treatise on
Ores, Rivot and Phillip's Process for Smelting Copper

Oxide of Zinc, Treating Zinc Ores, and Manufacture of—patent

Remarks on Ewbank's Experiments on

Paddles of Steamers, Account of Ewbank's Experiments on

Patent Office, Information to Persons having Business at the
Patents for 1848, Annual Report of the Commissioner of

Philosophy, Notice of Parker's Compendium of Natural and Experimental

70

408

358

181
215

60

184

42, 107

202

173

253, 332

216

Smithsonian Contributions to Knowledge, Notice of the
Solar Spot, Remarks on the Duration of a

Polarity of Bismuth, &c., and its Relation to the Magnetic Form of Force, Crystalline 194

Pottery and Glass, Manufacture of Pipes of Earthenware,-patent

Propeller by the United States, Report on the Use of Emerson's

in Holland, Report on Hodgson's Parabolic

.

Propelling Ships and other Vessels, Vint's Improvement in-patent

Railroad Company, Annual Report of the Mine Hill and Schuylkill Haven

for 1848, Notice of the Annual Reports of the Massachusetts
Railroads, Manufacture of Rails for-patent

Railway Accidents in Great Britain and Ireland, Statistics of

Bars and Chairs, Manufacture of Wrought Iron-patent
Carriages and Engines, Improvements in Apparatus applied to patent
Application of Air to Brakes of

Company, Extracts from Annual Reports of the Baltimore and Ohio
Girders, Dynamical Deflexion and Strain of

, Notice of the Don Bridge on the Northern

Station, New Castle upon Tyne, Description of the Central

The Bridge over the new cut on the Northern

Railways, Description of a new Turn-table for
Rainbow, Herschel's Description of a Lunar
Regnault, M. V., Experiments on Steam Engines
Rivot and Phillip's Process for Smelting Copper Ores,
Ropes, Experiments on Galvanized Wire and Hemp

Safety Valves for Steam Boilers, Notice of Improved
Salts, Manufacture of certain Acids and-patent
School Architecture, Notice of Barnard's
Screw Cramps, Description of Harbor

Smelting Copper Ores, Rivot and Phillip's Process for

Iron, Report on Gas Evolved in Furnaces in reference to the The-
ory of

South Devon, Notice of the Atmospheric System of

3

Specific Heat of Liquid Water at different Temperatures, Regnault's Experiments on

190

Spinning by the Ancients, Ewbank on Weaving and

133

Starch from the Horse Chesnut, Notice of

359

Steam, Apparatus for Cabonizing Wood by means of Heated

281

at Different Temperatures, Regnault's Experiments on the Elastic Force of
and Vacuum Guage, Report on Stillman's Engine Register and
Boilers and Apparatus, Manufacture of Marine-patent

Steamers, Account of Ewbank's Experiments on the Paddles for

Remarks on 66
Manufacturing Co., Notice of American Steel by the Adriondac Iron and

Steel and Sheet Iron, Method of Welding Iron,

405

279

215

50, 114, 190
355

42, 107

66

66

202

70

405