Interchangeable Dial for Demonstration Meter, Model E Subcategory_Bod Bottles conservation of energy

conservation of energy

Stackable 300mm red 4mm lead with nickel-plated split-hollow pins on both ends

designed to slot onto the demountable U-core and combine with other coil ratios for electromagnetic induction demonstrations

paired with two 50N spring balances and two wrest pins so students can verify the laws governing frequency

and a motor accessory

Interchangeable Dial for Demonstration Meter, Model E Subcategory_Bod Bottles conservation of energyTen amp DC scale on a 315x115mm laminated panel with sealed shunt, reconfiguring the demonstration meter as a high current ammeter for heavy load bench circuits and electromagnet work.