Harker, Alfred (1895). Petrology for Students: an Introduction to the Study of Rocks under the Microscope. Cambridge:
Harker, Alfred (1895). Petrology for Students: an Introduction to the Study of Rocks under the Microscope. Cambridge: University Press, 1st edition. viii + 306pp + adverts. Hardback, blue cloth-covered embossed boards with gilt lettering to spine and cover. Owner signature in pencil. Shelf worn. Hinges loose but intact. Text is age-toned but clean. In fair to good condition.