With Plates, Charts, Woodcuts, and Lunar Photographs. Crown 8vo. 15s.
The Sun; Ruler, Light, Fire, and Life of the Planetary System.
By R.A. Proctor, B.A.
Second Edition. Plates and Woodcuts. Cr. 8vo. 14s.
The Orbs Around Us; a Series of Familiar Essays on the Moon and Planets, Meteors and Comets, the Sun and Coloured Pairs of Suns.
By R.A. Proctor, B.A.
Second Edition, with Chart and 4 Diagrams. Crown 8vo. 7s. 6d.
Other Worlds than Ours; The Plurality of Worlds Studied under the Light of Recent Scientific Researches.
By R.A. Proctor, B.A.
Third Edition, with 14 Illustrations. Cr. 8vo. 10s. 6d.