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Previous Issue: Vol. 1, No. 1, Jul. 3, 1880
Next Issue: Vol. 1, No. 3, Jul. 17, 1880
Uniform Time, p. 13
- Ormond Stone
Water Supply of Cities, p. 13
- H. C. H. Herold
Visual Telegraphy, pp. 14-15
The Coming of Age of the Origin of Species, pp. 15-17+20
- T. H. Huxley
The Edison Light, p. 18
[Notes], pp. 18-19
Faraday's Observations on Silvering Glass, p. 19
Water Analysis, pp. 20-21
- Water Analysis for Sanitary Purposes, with Hints for the Interpretation of Results.
- E. Frankland
- The Processes for Determining the Organic Purity of Potable Waters.
- C. Meymott Tidy
- Water Analysis: A Practical Treatise on the Examination of Potable Water.
- J. Alfred Wanklyn; Ernest Theophron Chapman
- Review author[s]: Fred Brendel
On the Dynamo-Electric Current and on Certain Means to Improve Its Steadiness, p. 22
- C. William Siemens
The Heliograph, p. 22
A Wonderful Meteor, p. 22
Microscopy, p. 23
- H. L. Smith
Natural History, pp. 23-24
General Notes, p. 24
Previous Issue: Vol. 1, No. 1, Jul. 3, 1880
Next Issue: Vol. 1, No. 3, Jul. 17, 1880