. Bacteriological apparatus : pathological, biochemical. Scientific apparatus and instruments; Bacteriology; Chemical industry. 14040 14065 14040 Microscope DDS—Bausch & Lomb. This microscope has the same optical equipment and construction as No. 14020 above, except that its body tube is extra large, having a diameter of 50 mm, with a collar removable for attaching Micro-Tessar, 72 mm 14045 Microscope DDS—Bausch & Lomb. Same as No. 14040 above, except that Oil Immersion Objective is mm of , a new con- struction in which, by use of fluorite, a conside
. Bacteriological apparatus : pathological, biochemical. Scientific apparatus and instruments; Bacteriology; Chemical industry. 14040 14065 14040 Microscope DDS—Bausch & Lomb. This microscope has the same optical equipment and construction as No. 14020 above, except that its body tube is extra large, having a diameter of 50 mm, with a collar removable for attaching Micro-Tessar, 72 mm 14045 Microscope DDS—Bausch & Lomb. Same as No. 14040 above, except that Oil Immersion Objective is mm of , a new con- struction in which, by use of fluorite, a considerable reduction of secondary spectrum and with this a greater refinement in definition has been achieved Each 14050 Microscope DDS—Bausch & Lomb. Same as No. 14040, but without oil immersion objective and with apochromatic objectives, dry series, and compensating eyepieces; cir. double nosepiece and N. A. Abbe condenser Each 14055 Microscope DDS—Bausch & Lomb. Same as No. 14050 above, but with 2 mm, apochromatic objective, oil immersion series, and cir. triple nosepiece Each 14060 Stage—Bausch & Lomb. Plain, vulcanite covering; for Micro- scope DDS Each 14065 Microscope KA—Binocular, Bausch & Lomb. Base is of horseshoe form; arm provides for extraordinary range of working distance up to 155 mm, and also can be removed; body tubes are combination of two microscope tubes, causing one image to merge with the other, which makes the object appear stereoscopically, erect and not trans- posed; focusing adjustment is by standard rack and pinion, with location of rack and slide such that it is not immersed when working with water immersion objectives; stage is of metal provided with large rectangular aperture provided with two removable plates, one of glass, the other metal; pinion heads, set screws and stage clips are nickel-plated; other parts are in black crystal finish, alcohol-proof; furnished in hard wood case,
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscientificapparatusa
