Description of the first division of the Long Island Railroad, 176, 208, 243
Description of the French method of constructing Flat Roofs

E

Experiments on the strength of materials

Extract from the London Correspondence of the N. Y. Courier,

English and American Steam Engines

Extract of Letter from Crawfordville,

Easton Railroad-Opening of

287

Fifth Annual Report to Building Committee of the Girard College, 113

Flat Roof-Mode of Constructing

Floating Bridge--Construction of

First Russian Railroad,

287

290

350, 377

Hudson and Berkshire Railroad,

Hall, Samuel, patent for Improvements on steam engines,

40, 268
68

Instructions in civil engineering-literary and scientific course of

James' River and Kanhaway canal-resolutions respecting,
Juniatta-rise of,

Kites' patent safety beam,

K

15

46

202

Ketcham's patent for enabling locomotives to ascend inclined planes, 265
Kilsby Tunnel,

299

L

Long Island Railroad-Communication on,

Lewis-drawing and description of,

Levelling machine,

Lead mine in Davison County,

Liberal legislation,

Locomotive steam engines,

Lexington, Cincinnati, and Charleston Railroad,

Louisville, Cincinnati, and Charleston Railroad Co., Second

annual report of,

Little Miami Railroad,

Method of giving a Spheroidal figure to balls of lead,

Minutes and proceedings of the Institution of Civil

Engineers,

Magnetic Discoveries,

Mexican Gulf Railroad,

62, 97, 127, 227

106

199, 260

New Haven and Hartford Railroad,

New material to be applied to dwelling houses, to render

them capable of resisting fire,

Number of Patents in France,

328

376

. 391

Patent process for preserving wood,

Progress of Internal Improvements,

Philadelphia and Reading Railroad,

Pambour's Formula of Locomotive Engines.-Remarks

. 133

295

6

23

33

77

130

168, 251

170

233

315

375

390

Removal of Raft in Sabine River,

Resolutions respecting the James River, and Kanaway Canal,

Report of the affairs and prospects of the Canton Company of

Railroad-Bridgeport,

Remarks on the velocity of Steam Vessels,

Report-first annual-of engineer in chief of the central railroad

and Banking Company, of Georgia,

Remarks on Pambours' formula of locomotive engines

B34

137

145, 171

170

Remarks on Steam Navigation, Explosions and Engineers,

Railroad speed, and the Mails,

Rǝport-second annual-of the Louisville, Cincinnati, and Char-

.' 253

264

leston, Railroad Company,

266

Rope Machinery-improvement in,

285

Report-second annual-of Central Railroad and Banking Co.

304

Report of a survey of a route for the extension of the Western and

Atlantic Railroad,

385

Second Report of the Commissioners appointed to con-
sider and recommend a General System of Railways
for Ireland,

Single Rail Railroad,

368

398