The Dynamical Theory of the Formation of the Earth, Volume 1 Longman, Brown, Green and Longmans, 1850 - 4 pages Promotional leaflet for Ritchie's monograph on the same subject. |
The Dynamical Theory of the Formation of the Earth, Volume 1Longman, Brown, Green and Longmans, 1850 - 4 pages Promotional leaflet for Ritchie's monograph on the same subject. |