Volume 42, Issue 1087supp
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Features
On Periodicity of Good and Bad Seasons
Ferula Fœtida
Japan's Cheapest Labor
ROBERT P. PORTER writes from Osaka, Japan, to the New York Sun as follows:
A Tidal Wave in Japan
Life in the Moon
Floating of Metals on Liquids
The French Motor Carriage Race
The Pelton Water Wheel at the North Star Power Plant
A Large Facing and Boring Lathe
Engineering Notes
Miscellaneous Notes
Electrical Notes
Selected Formulæ
Construction of a Tesla-Thomson High Frequency Coil
Alternate Current Transformers
Lecture III. The Testing of Transformers
Fish Nets
Some Account of their Construction and the Application of the Various Forms in American Fisheries.