Joule's Calorimeter for Specific Heat, 4" Item Type_Spoon Transmitter and receiver pair on

Transmitter and receiver pair on PP3 batteries with 5m and 10m polymer fiber coils

teaching electromagnetism

each foam-protected in a wooden case with frequencies labeled

Mid-size 75 x 12 x 15mm Alnico horseshoe with poles clearly indicated and a keeper to bridge the gap during storage

Combined thermo hygrometer on an 85 mm metal dial pairing a -10 to 50°C thermometer with a 0 to 100 percent hygrometer for single-glance monitoring of room and laboratory conditions

Joule's Calorimeter for Specific Heat, 4" Item Type_Spoon Transmitter and receiver pair onCarefully lagged nickel plated copper 3 by 2 inch inner cup inside a 4 by 2. 75 inch outer vessel, ebonite lid with stirrer, 4mm sockets, and a 6 constantan coil for Joule heat work.