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عرض 1891–1905 من أصل 2205 نتائج
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Slide Wire Wheatstone Bridge
Consists of a resistance wire with a sliding contact and a strip of aluminum to provide two “arms” of the bridge for known and unknown resistance. Strips of heavy aluminum are provided with a single gap in each of two arms for the resistance. All components are mounted on a heavy sheet metal base. With Instructions.
SKU: PH50410 - Uncategorized
Sliding Magnifier
A plano – convex lens set in a frame traverses on two parallel steel bars. Telescopic legs are fitted at each corner of the frame so that the magnifier can be located over objects of varying sizes.
Lens Diameter – 100 mm,
Stand Length – 350 mm,
Stand Width – 130 mm,
Stand Height – 100 to 150 mm.SKU: B10875 - Uncategorized
Smoke Cell
Smoke cell is an apparatus used for the observation of Brownian motion in smoke particles. It comprises a box with plastic lid as well as flanges to be used with a microscope. The box consists of a smoke cell and a cylindrical condensing lens. Illumination is provided by a 12 V, 3 W bulb. Apparatus is pre-set to focus the light at correct height. The dimensions of the apparatus are 90 x 46 x 20 mm. The set is supplied with a squeeze bottle type smoke generator and user manual.
SKU: PH10650B