Right-Angled Flint Glass Refraction Prism, 32 x 32 x 45mm Item Type_Cell Model sized to handle both wall-supply

sized to handle both wall-supply and battery-circuit current measurements

breaking its own circuit to a 12V halogen bulb as heat bends the strip

Tracks a trapped gas volume against temperature in a graduated borosilicate U-tube with bulb set inside a 1000mL water-jacket beaker and stirrer

Fifty-turn 4A coil for the demountable transformer

Right-Angled Flint Glass Refraction Prism, 32 x 32 x 45mm Item Type_Cell Model sized to handle both wall-supplyPairs 32 by 32 by 45mm with 9mm thickness on a right angled flint glass refraction prism, the high dispersion material producing exaggerated spectral effects in TIR and refraction work.