Similar to B12022 but without head. Dissectable into 6 parts, on base, with key card.

Greatly enlarged, internal wall is removed to show the incisiors, molars, permanent canine and permanent premolars in full view, as also the arteries, veins and nerves serving them, on a large size board, with key card.

Ideal for classroom demonstration, this hydroelectric power station model allows students to directly observe the process of conversion of water flow to electrical energy that occurs in hydroelectric power plants. The water turbine is mounted on a plastic base together with a dynamo, newton disc, lamp, LED, and a two way selecting switch. The switch selects delivering power to either a lamp or a Newton’s Color Disc. The LED can be removed if you instead want to draw current from the 4 mm output terminals. Includes instructions.

Aluminium, set of four nesting cylinders, largest of size 125 x 140 mm diameter x ht. The smaller pails are fitted with insulated feet.

Double walled, inner chamber made of thick anodized aluminium or stainless steel and outer of mild steel, The gap of 75 mm between two walls is filled with glass wool for heat insulation. The door has double viewing to permit observation without opening. Heating elements are placed in ribs at the bottom and at sides. Built-in L-shape horizontal thermometer 0 to 110°C. for uniform heating. Temperature is controlled by a precision thermostat from 5° C above room temperature to 70°C, with sensitivity of ±1°C. Complete with 2 indicator lamps, Adjustable perforated shelves. Having arrangement to fit an automatic timer. Works on 220-240 V, 50 Hz. Supplied complete with 1.5 meter of 3-core cable.