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Previous Issue: Vol. 18, No. 444, Aug. 7, 1891
Next Issue: Vol. 18, No. 446, Aug. 21, 1891
The Space-Penetrating Power of Large Telescopes, pp. 85-87
Notes and News, pp. 87-89
[Editorial Notes], p. 90
Jugglery, pp. 90-91
Lecture Experiments Illustrating Properties of Saline Solutions, pp. 91-92
Some Diseases of Lettuce and Cucumbers, p. 92
The Agricultural Products of Madagascar, pp. 92-93
Is the Mariner's Compass a Chinese Invention?, pp. 93-94
Letters to the Editor
- Crime among Washington Negroes, pp. 94-95
- R. W. Shufeldt
Book-Reviews
- ----------------, p. 95
- Achievements in Engineering during the Last Half-Century
- L. F. Vernon-Harcourt
Among the Publishers, pp. 95-97
Back Matter (3 pp.)
Previous Issue: Vol. 18, No. 444, Aug. 7, 1891
Next Issue: Vol. 18, No. 446, Aug. 21, 1891