Subject ASC0003gn1
The Journal of the Quekett Microscopical Club.
ser. 2, v. 9 (1904-1906), (1904-1906)
MBLWHOI Library
BHL Page 2200505
Keywords
photographe microscope test plate Microscope doubling diaphragms objective abbe test plate photo photograph 1/12 astigmatic 1st position