Vol. 30. FARADAY, HELMHOLTZ, KELVIN, NEWCOMB, ETC The Forces of Matter and The Chemical History of a Candle, by Michael Faraday On the Conservation of Force and Ice and Glaciers, by Hermann von Helmholtz The Wave Theory of Light and The Tides, by Lord Kelvin The Extent of the Universe, by Simon Newcomb Geographical Evolution, by Sir Archibald Geikie
The Forces of Matter and The Chemical History of a Candle, by Michael Faraday
On the Conservation of Force and Ice and Glaciers, by Hermann von Helmholtz
The Wave Theory of Light and The Tides, by Lord Kelvin
The Extent of the Universe, by Simon Newcomb
Geographical Evolution, by Sir Archibald Geikie