Subject ASC0003jk8
Journal of the Royal Microscopical Society.
ser.2:v.5:pt.1:no.1-3 (1885), Page 317 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31609552
Keywords
microscope microscope lens clamp microscopy microscopy illustration instrumnet construction above pin disk thumb screw stand