Eureka/Constantan Bare Wire, Model A Prong_4 one fitted with an exploder

one fitted with an exploder piston for impulse experiments

Copper plate with 4mm socket terminals for the simple-cell apparatus

carrying a removable 3-6V 5W heating spring for electrical-method specific-heat investigations

Polished beech wood test tube rack with twelve vertical holes sized for tubes up to 28 mm diameter

Larger 100 x 12 x 15mm Alnico horseshoe steps the pole-gap geometry up from the 75mm model

Eureka/Constantan Bare Wire, Model A Prong_4 one fitted with an exploderSixteen SWG bare constantan wire on a 125g reel a copper nickel alloy with a low temperature coefficient that holds resistance steady across a wide temperature range.