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often allowing for easy conversion
These have double contact system and move smoothly on the sliding rod
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and laser sources to demonstrate real-world applications of interference and precision metrology
ESAW Dynamo Model, With Solar Cell (EEC-9367) hand refractometer often allowing for easy conversionESAW Dynamo Model, With Solar Cell (EEC 9367) A small motor that operates from 1. 5 to 4. 5V DC with a small pulley. The unit is capable of rotating a small propeller mounted on a mini motor to explain the conversion of solar energy into electrical energy and then into mechanical energy. The complete solar cell and the motor unit mounted in a clear acrylic case for easy viewing by students. Provides quite an effective demonstration in daylight or in