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PHYSICS>>     Products     >> PHYSICS ............................................................   >> CHEMISTRY ............................................................   >> BIOLOGY ............................................................   >> BIOLOGY MODELS ............................................................   >> MICROSCOPES ............................................................   >> PLASTIC LABWARE ............................................................   >> GLASS LABWARE ............................................................   >> PORCELAIN WARE ............................................................     >> LABORATORY EQUIPMENTS ............................................................   >> LABORATORY HARDWARE ............................................................   >> EDUCATIONAL INSTRUMENT ............................................................   >>LABORATORY CHEMICALS QUALITY POLICY MANUFACTURING FACILITIES SOLIDS LABEL SPECIMEN HAZARD SYMBOLS QUALITY ASSURANCE SOLVENTS ............................................................       Cat. No. DSS/PH/094 DESCO POST OFFICE BOX, PLUG TYPE Plug type, in polished teak wood box with hinged lid and black bakelite panel lined in white colour to show circuit connections. Coils of Constantine wire double slid covered are wound non-inductively and have a negligible temp. co-efficient. Three pairs of ratio arms are each 10, 100, 1000 ohms and resistance arms contains 16 coils from 1 to 5000 ohms with infinity plug. Total value 11,110 ohms. Two spring keys having special contact for battery and galvanometer fitted. Accuracy of coils 100 to 500 ohms + 0.05% and of the rest coils + 0.1%.

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