Subject ASC0003jb2
Journal of the Royal Microscopical Society.
ser.2:v.3:pt.1:no.1-3 (1883), Page 118 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31414362
Keywords
goniometer microscopy microscope Fuess circle angles fuess's reflecting goniometer magnified diagram reflecting goniometer instrument