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PUBLISHED BY THE EDITORS AND PROPRIETORS,

GEORGE C. SCHAEFFER AND EGBERT, HEDGE.

120 Nassau-st.-(Up stairs.)

Library

TE

1

.R16

V.10

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Coast survey, Hassler's report, 270 road curves; cubical quantities, 100

161, 204, 241,

Congleton viaduct,

Crank, theory of,

Cushman, W. Mc C. on atmospheric resistance,

L

[262, 264, 324, Laws of trade, C. Ellet, Jr., 122, 145 Lecount, Lieut. P., on railroads, 54 [84, 151, 175

Cushman, W. Mc C., on crank

motion,

Cumberland road,

D

Delaware and Raritan canal,

Dublin and Kingston railroad,

E

138

Long Island railroad, survey of, 17

241 Locomotive, new,

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[196, 253, 281, 313

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39

23

181

Minerva, performance of, 159 Gowan and Marx, per

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New York, State aid to internal improvements,

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302

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"Archimides,"
United States,

New York and Albany railroad, 373 Steamboat Lexington, burning of, 97

New Bedford and Taunton rail

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discussion on, 193, 257, 290

owners, etc., memorial

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[322, 335, 357

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extinguishing fires, 243, 317 fire engine,

288

66

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181, 206

Palmer on steam as a moving
power,
Pennsylvania appropriation bill, 375
Philadelphia and Columbia rail-
road,
Power of men,

R

Railroads in cities,

new mode of executing,

187

178

Steam, application of, as a mo-
ving power,
Stone, breaking,
Stuart, C. B., on specifications of
N. Y. and Erie railroad, 266, 275
Standard weights and measures,

report on,

Suspension bridge, Ellet's plan
for Schuylkill,

47 Suspension bridges,

297

129

161

170, 187

49 Syracuse and Utica railroad, in-
53 come of,

Lecount on, 54, 84, 151, 175

Judge Wright on,

English & American,

T

127 Tables of cubical quantities etc., 100 196 Taunton branch railroad report, 219 260 Timber, preservation of,

33, 45, 109

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and canals,

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102

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269 Timber seasoning,

226

track, improved,

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cars, fire on, prevented, 328 Tracy, H., on crank motion,
chair & rail, Fessenden's, 331 Travelling statistics,

262

342

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wick, 193, 257, 290, 322, 335, 350 Western and Atlantic railroad, 54 Reduction of fare, 256, 269, 294 Western railroad report, 220, 244 Reynolds, L. O., report of Cen

tral railroad,

Roebling, J. A., theory of the crank, 161, Roads, common,

[256, 294 24 West Stockbridge railroad rep., 251 Welland canal, improvement of, 366 264 Williams, L., railway constants, 203 293 Wilmington and Raleigh R.R., 269

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In commencing a new volume it may not be amiss to refer to the labors of another year, and to throw out a few hints as to what may be expected as matter of interest and discussion. The difficulties consequent upon the commercial embarrassments of the past year, have retarded, for a time at least, the progress of internal improvement. While the delay is but temporary for all useful and necessary public works, it will have the effect of bringing about a more cautious examination of projected improvements than has hitherto prevailed. A stricter estimate of the resources of proposed public works will hereafter be required, and we conceive that Mr. Ellet has done the profession a service in giving to the public his "Laws of Trade," being the first attempt to reduce to rules and fixed laws, a class of computations hitherto made with the utmost latitude of conjecture.

The difficulty of procuring funds, while operating to the permanent obstruction of injudicious projects, will require much economy in the management of those based upon more solid foundations than mere paper revenues. The assistance of the State authorities becomes more than ever necessary, but before granting this, a very important question has to be settled. Shall the State adopt one or two works and thereby be deprived of the power of giving aid to any other works? The question has been freely discussed in the public prints, and is now very rearly separated from party considerations. There can be no doubt that the best results have been attained where a complete and extensive system of public works, has been definitely arranged before commencing. Belgium affords a fine example of this. Now, it is impossible with us, for State governments to accomplish such a task with their own resources. How, then, shall the enterprise of individuals or companies be assisted by the State, without defeating the formation of a connected system of improvements? Obviously by the formation of a State bord of public improvement, who, discarding exploded no. tions in regard to canals shall be able to moull out of the various in ivid. ual projects asking aid of our legislature, such a system as shall satisfy all

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