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Previous Issue: Vol. 13, No. 313, Feb. 1, 1889
Next Issue: Vol. 13, No. 315, Feb. 15, 1889
The Thorne Type-Setting Machine, pp. 93-94
The Steam-Engine, Its Principles, Its Development, Its. Present Condition, and Its Future Perfection, pp. 94-96
Improved Gaslight, pp. 96-97
The New Weston Voltmeter, pp. 97-99
Electrical News, pp. 99-101
Notes and News, p. 101
[Editorial Notes], pp. 102-103
Science and the Dictionary, p. 103
Speech and Alphabetics, pp. 104-105
Something about Tornadoes, pp. 105-108
A River-Pirate, pp. 108-109
- W. M. D.
A Popular Observatory, pp. 109-110
Scientific News in Washington, p. 110
Book-Reviews
- ----------------, pp. 110-111
- The Teachers' Psychology
- A. S. Welch
Among the Publishers, pp. 111-112
Letters to the Editor
- The Baconian Method in Science, p. 112
- Logicus
Previous Issue: Vol. 13, No. 313, Feb. 1, 1889
Next Issue: Vol. 13, No. 315, Feb. 15, 1889