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APPARATUSMICROSCOPE ILLUMINANT SCREEN F TC
THE AUTHORS ARRANGEMENT WITH LANDSCAPE CAMERA
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achromatic actinometer adjustment alkali Alocasia Amidol aperture apparatus arranged base-board beginner bench body-tube bottle bromide paper bull's-eye camera carbonate centre chemicals colour contrast cord course crystals dark dark-room Davis shutter developer diameters diatoms dish dissolved distance Distilled water draw-tube drms easel employed exposed exposure eye-piece eye-point ferrotype ferrotype plates film focus focussing focussing-rod focussing-screen George West glass ground-glass screen haematoxylin half-inch high-power hydroquinone hypo illumination illustration inches instrument iris diaphragm lamp flame lantern slides latter lens lenses light filter low-power magnification manipulation mask mentioned method metol micro microscope microscopist minutes mirror necessary negative object obtained oil lamp optical ordinary photo-micrographer photographic placed platinotype Potassium Potassium bromide prints purpose pyro pyro-soda radiant rays readily result screws sodium carbonate Sodium sulphite solution stage stained stopper sub-stage condenser suitable tion toning tube usually vertical washed white card Winchester bottle writer xenomania