Wall Thermometer with Fahrenheit and Celsius Scales Graduations_Ungraduated Riveted 10-inch compound bar in

Riveted 10-inch compound bar in brass and steel

and single-celled organism structure for protist biology teaching

sized for finer-gauge resistance demonstrations and small-scale heating elements where the heavier gauges would over-deliver current

and commutator assemblies for direct observation of each component

Demonstrates eddy-current braking as circular magnets swing over a 4

Wall Thermometer with Fahrenheit and Celsius Scales Graduations_Ungraduated Riveted 10-inch compound bar inDual Fahrenheit and Celsius readings on this 8 by 2 inch plastic wall thermometer, offering economical temperature monitoring for classrooms, laboratories, and household installations.