Subject ASC0003fh3
The Journal of the Quekett Microscopical Club.
ser. 2. v. 6 (1894-1897), Page 350 (1894-1897)
MBLWHOI Library
BHL Page 7252072
Keywords
microscope optical design cross section janssen descartes dioptrique lieberkuhn reflector concave mirror lenses lens mirror parabolic curve