Thermo-Hygrometer, 85mm Diameter Type_Puzzle Kit with the (Br) element stamp

with the (Br) element stamp marking the material for easy identification

Six-part life-size chicken anatomy model designed by veterinary professionals reveals avian internal structure and poultry biology for agricultural teaching

Sprung-tip jockey contact slides smoothly along the resistance wire of a Wheatstone bridge or potentiometer to find the null-deflection balance point during student-built bridge experiments

supplying two voltmeter scales on one accessory so students switch between low and mid-cell voltages without rewiring

Thermo-Hygrometer, 85mm Diameter Type_Puzzle Kit with the (Br) element stampCombined thermo hygrometer on an 85 mm metal dial pairing a 10 to 50C thermometer with a 0 to 100 percent hygrometer for single glance monitoring of room and laboratory conditions.