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The Microscope in America before
The Grunow Brothers of New Haven
Joseph Zentmayer of Philadelphia
6 other sections not shown
accessories achromatic Acme advertised American Centennial American makers American microscope makers American Microscopical Society American Monthly Microscopical American Optical Company apparatus Battery Bausch & Lomb Beck Benjamin Pike Billings Microscope Collection binocular Bulloch C. A. Spencer Canastota catalogue Charles coarse adjustment coarse focusing compound microscope Congress constructed Continental croscope depicted in Figure early England Ernst Abbe firm form of microscope George Wale glass Grand American Grunow Brothers Gundlach Hartnack Henry Lomb horseshoe base INDUSTRIAL PUBLICATION COMPANY instru instrument makers invention lenses Lomb's London manufacture McAllister McIntosh mechanical ment micro microscope Figure microscope stands monocular Nachet objectives oblique optician patented Philadelphia price list production Professor Queen & Company rack and pinion Riddell's Ross Royal Microscopical Society scientific instrument scope shown in Figure Sidle Society of Illinois Spencer Lens Company stage swinging substage telescopes tion Tolles tube Wale's William Wales Yawman York City Zeiss Zentmayer