- Supply TypeManufacturer, Exporter, Supplier, Retailer
- Preferred Buyer Location All over the world
A star shaped copper disc 90mm dia rotatable vertically on pair of adjustable centres & dipping into small mercury trough between the vertical limbs of a small horse shoe magnet on a wooden base 150x100mm. The disc adjustable vertically on a metal pillar 75mm high, which is connected to one of the two terminals mounted on the base. The other terminal is connected to the mercury trough. Operates on 4 Volts.
Member Since 15 Years
Nature of Business Retailer
For Buyer 
For Seller 
Help 
Ambala Cantt, Ambala, Haryana