Details
Zeiss Carl, Zeiss Microscopes 1922 Jena 1st & 2nd Editions; Zeiss Carl, Stand B 1922 first edition; Zeiss Carl, Provisional Prospectus respecting a new Epidiascope and Episcope
Leitz Ernst, Leitz Micro Objectives and Eyepieces 1929 Wetzler; Ogilvy & Co. Electric Microscope Lamps; and others
Leitz Ernst, Leitz Micro Objectives and Eyepieces 1929 Wetzler; Ogilvy & Co. Electric Microscope Lamps; and others