Subject ASC0003jog
Journal of the Royal Microscopical Society.
ser.2:v.6:pt.1:no.1-3 (1886), Page 141 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31216308
Keywords
microscopy camera photomicrographic Verick Camera focusing A simpler form of camera Fig 29. diagram allows 4 negatives to be taken successfully enables different degrees of exposure.