HARTLE'S OPTICAL DISC
Circular metal disc graduated in degrees with alternate 10° sections painted black, and with cross lines at 90° intervals to mark the center. Mounted on a wooden base and rotatable about a vertical axis. The lamp house arrangement is also mounted on the same base, providing a parallel beam of light. Outline of accessories drawn on disc surface, showing where they may be placed and held down by screws with collars. A comprehensive range of experiments related to various optical principles can be performed using accessories.

Price:
Dimension (L*W*H) : 150mm x 150mm x 100mm
Accuracy : High
Type : Autotransformer
Usage : Voltage stabilization and control
Core Components : Copper Coil
Weight : 3 kg
Dimension (L*W*H) : Approx. 40 cm x 18 cm x 20 cm
Accuracy : 100 %
Type : Experimental Apparatus
Usage : Laboratory
Core Components : Moment Plate, Fulcrum, Arm, Weights, Support Stand
Weight : Approx. 35 kg
Dimension (L*W*H) : Standard size varies as per model
Accuracy : Standard
Type : Open Type Electric Motor
Usage : Educational Experimental
Core Components : Copper winding Metal frame
Weight : Approx. 2 kg
Dimension (L*W*H) : 300 mm x 250 mm x 120 mm
Accuracy : 2% of full scale
Type : Electrostatic Charge Measuring Kit
Usage : Measurement and demonstration of static electricity
Core Components : Electrostatic Voltmeter, Faraday Pail, Electrophorus, Charge Plate, Connecting Cables, Instructions Manual
Weight : 1.5 kg (approx.)
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