Subject ASC0003j6u
Journal of the Royal Microscopical Society.
ser.2:v.1:pt.2:no.4-6 (1881), Page 818 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31228059
Keywords
camera lucida Zeiss microscope prism image ray prisms Camera Lucida ray direction reflection eyepiece geometric figures triangles angles axis drawing old optics