It functions as a lighted binocular or monocular microscope to magnify the view of the cervix, vagina, and vulvar surface.
2.
Kahl worked alone, using a basic monocular microscope, equipped with an oil-immersion objective providing a maximum magnification of 500X . He preferred to examine living subjects, and rarely used fixed specimens or chemical stains.
3.
A catalogue of work by R & J Beck from 1900 has been digitised as part of the Internet Archive which features the terms of business and pricing from 1900, simplex microscopes, No . 10 London Microscope, No . 22 London Microscope, No . 29 London Microscope, Beck Pathological Microscope, No . 3201 Massive Microscope, Radial Research Microscope, Angular Model Microscope, Beck Combined Binocular and Monocular Microscope, Baby London Microscope, No . 3755 Portable Microscope, Pathological Microscope, Binomax magnifier, Greenough Binocular Microscope, Crescent Dissecting Microscope, Cornex Dissecting Microscope, Beck Ultra Violet Microscope made for J . E . Barnard F . R . S ., Beck Object Glasses, Eyepieces, Beck-Chapman Opaque Illuminator, Photomigraphic Cameras, Optical Benches, Microtomes, University Micro-projector and Folding Pocket Magnifiers.
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