[Pg 383]
(Entered at the Post Office of New York, N. Y., as Second Class Matter)
A WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY, AND MANUFACTURES.
Vol. XLIII., No. 25.
[New Series.] | $3.20 per Annum.
[POSTAGE PREPAID.] |
NEW YORK, DECEMBER 18, 1880.
Contents.
(Illustrated articles are marked with an asterisk.)
| Air engine, new | 385 |
| Amateur mechanics* | 390 |
| American Institute of Architects | 389 |
| Architects, American Institute | 389 |
| Arctic winter, characteristics of | 393 |
| Aquarium (29) | 395 |
| Balance attach. for valves* | 386 |
| Band saw, hand power* | 387 |
| Barometer, chemical (15) | 394 |
| Battery, Leclanche, to renew (13) | 394 |
| Beetle, Hercules, the* | 391 |
| Belts, capacity of (12) | 394 |
| Business colleges* | 383, 388 |
| Carbons, to solder (20) | 395 |
| Chinese women's feet* | 393 |
| Chisels, tempering | 389 |
| Colleges, business* | ...
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