Copper Calorimeter, 100 x 75mm Entomology & Zoology_Dissection Bosshead-equipped spectrum tube holder with

Bosshead-equipped spectrum tube holder with 4mm safety sockets on a black panel

Ten-ohm 5W wire-wound fixed resistor in a self-contained ABS module with 4mm sockets

Used to compare two unknown resistances by null-deflection on a sliding-wire jockey

an electrophorus

providing a more rigid mounting platform than a meter-rule for lens and mirror investigations

Copper Calorimeter, 100 x 75mm Entomology & Zoology_Dissection Bosshead-equipped spectrum tube holder withMeasures heat of reaction and specific heat capacity through a 100 by 75mm polished copper vessel with wood plastic lid, rubber stopper, and integrated stirrer for liquid mixing.