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عرض 1906–1920 من أصل 1963 نتيجة
Shows different parameters how volcanoes take place & the hanging feature thereafter.
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.
Two copper plates, size 120 x 50 mm, each fitted with a terminal on wooden support. Complete with glass jar, 150 x 100 mm. ht x diam.
With two outer 75 x 50 mm and a central 70 x 45 mm copper plates, suspended from copper wires fitted with 4 mm connectors and supported by two insulated bars. With glass jar, 150 x 100 mm.
Moving Coil DC Voltmeter (EDM-80). Scale Length approx. 60 mm with anti-parallax mirror scale, dial size 72 x 72 mm with color coded terminals. Overall size 90 x 110 x 125 mm approx. Accuracy : ±2% FSD.
Moving Coil AC Voltmeter (EDM-80). Scale Length approx. 60 mm with anti-parallax mirror scale, dial size 72 x 72 mm with color coded terminals. Overall size 90 x 110 x 125 mm approx. Accuracy : ±2% FSD.
Polythene squeeze bottle with jet through screw cap.
Made of Low Density Polyethylene, translucent & unbreakable. With built in delivery tube making it a onepiece wash bottle. These bottles are graduated on the outer surface to give an approximate idea about the volume of solution filled or dispensed.
Concave, with ground edge
Borosilicate glass, concave, fire polished edge
3½ Digit LCD Display Covering 5 Parameters: pH, Conductivity, TDS, ORP and Temperature. Battery cum mains operated, complete with accessories, fitted in briefcase.
Hemispherical, made of thick copper sheet, with a set of concentric rings and 2 handles.
Aluminium body, concentric rings, with constant level device and 1 kW heater with automatic cut-out, size 145 x 200 mm (Ht x Diam). Complete with connector plug and 1 meter of 3 core cable.
Single wall, chamber made of stainless steel, having 75 mm holes and concentric rings at top with tubules for water level arrangement. 1 kW heater with cut-out device. Complete with connector plug and 1 meter of 3 core cable.