Description

and polished — letting an infrared sensor compare emissivity at boiling-water temperature

Neck outer diameter: 33

and ad-hoc experimental setups

configured to make and break a circuit at the rhythm of a Morse-code transmission for telegraph-history demonstrations

and 26 SWG - sized as the matched replacement set for the PH0730 sonometer

Wood and Metal Cylinder for Thermal Demonstration Racks & Stands_Test Tube Racks and polished — letting anHalf wood half metal 200 by 30mm cylinder demonstrating thermal conductivity differences through a wrapped paper that scorches over wood but stays uncharred over metal in flame.

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Wood and Metal Cylinder for Thermal Demonstration Racks & Stands_Test Tube Racks and polished — letting an

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