Subject ASC0003iy3
Journal of the Royal Microscopical Society.
v.2:pt.2:no.4-7a (1879), Page 470 (1879)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 9555887
Keywords
microscopy electrical mounting table F. M. Rogers battery magnetism rotation microscope circular contact breaker magnet inclined armatures armature English Microscope for Students of Mineralogy and Petrology diagram magnets zinc