Science in the 19th Century Periodical

1. Hermann von Helmholtz, '[Review of On the Hypotheses Upon Which Geometry is Based, by Georg F B Riemann]', Academy, 1 (1870), 128–30

2. Anon, 'Physics and Astronomy[1] The Aperiodic Movements of Deadened Magnetic Needles[2] Regulator for Electric Light[3] Breadth of the Spectrum-Lines[4] Dynamic Power of the Sun[5] The Motion of the Solar Prominences[6] A Water Telescope', Academy, 1 (1870), 237–38

3. Moritz J H Busch, 'Prince Bismark in Private Life', Harper's New Monthly Magazine, 8 (1884), 187–96