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Previous Issue: Vol. 14, No. 338, Jul. 26, 1889
Next Issue: Vol. 14, No. 340, Aug. 9, 1889
Electric Lighting by the Knowles System, pp. 67-69
Description of Perret Motors and Dynamos, pp. 69-71
Considerations concerning Some External Sources of Infection in Their Bearing on Preventive Medicine, pp. 71-73+78-82
Notes and News, pp. 73-77
[Editorial Notes], p. 78
Lucerne or Alfalfa, pp. 82-83
Health Matters, pp. 83-84
Electrical News, p. 84
Book-Reviews
- ----------------, p. 84
- Autobiography of Friedrich Froebel
- Emilie Michaelis; H. Keatley Moore; C. W. Bardeen
Among the Publishers, pp. 84-85
Letters to the Editor
- A Circular Note to Working Entomologists, pp. 85-86
- Robert H. Lamborn
- Are Beech-Trees Ever Struck by Lightning?, p. 86
- D. L. Phares
- Breathing, p. 86
- Thos. J. Mays
Back Matter (1 p.)
Previous Issue: Vol. 14, No. 338, Jul. 26, 1889
Next Issue: Vol. 14, No. 340, Aug. 9, 1889