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عرض 2146–2160 من أصل 2205 نتائج
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Vernier Microscope
For measurement on two axes, with horizontal and vertical scales, heavy stand with leveling screws, and a carriage fitted with micrometer screw for fine adjustment. Another sliding carrier is provided on vertical bar also with micrometer screw for fine adjustment. Microscope tube is fitted with rack and pinion focusing. Stainless steel scales and verniers, horizontal scale 160 mm with vernier reading to 0.01 mm and vertical scale 140 mm with vernier reading to 0.01 mm. Ramsden eye-piece x 10 with crossline graticule and 50mm focus objectives Magnifier is provided to read vernier
SKU: PH30780 - Uncategorized
Vibration Generator
To produce mechanical vibrations when used with a signal generator. The input is fed to a coil, which is mounted within the field of a cylindrical permanent magnet. The unit is mounted on a strong base and is enclosed in a plastic case. The coil and magnet assembly are protected from the entry of foreign particles. A threaded extension of the armature allows attachment of the item to be vibrated, e.g., plates for chladnis figure experiments. A specially designed coil system enables the unit to be operated at its maximum rating for a prolonged period without any damage due to overheating. Electrical input via a pair of 4 mm shielded sockets and oscillating mechanical output is available through a shaft at the top. Alocking arrangement provides safety to the apparatus during storage or transportation by blocking the motion of shaft. The unit is electrically secured by means of a fuse. Avoid long periods of sustained rapid vibration and keep dry as moisture will damage the mechanism
SKU: PH36214 - Uncategorized
Voltaic Cell Set, Student
To demonstrate the characteristics of simple and primary cells. Consists of a plastic jar with a screw-on plastic rim containing two adjustable brass electrode holders, eight electrodes of different metals and a porous ceramic cup. With Instructions.
SKU: PH50058