Description

2A with constantan winding on a vitreous-enameled steel tube and a nickel-plated phosphor-bronze sliding contact

and follicles on a mounted base for dermatology teaching

with two 4mm terminal posts

and 500mm focal lengths for comparative refraction experiments

Linear Expansion Apparatus with Gauge and 3 Rods Subcategory_Temperature and Heat 2A with constantan winding onDial gauge expansion apparatus with three interchangeable metal rods for heating and measuring the small length change each metal undergoes, illustrating linear thermal expansion.

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Linear Expansion Apparatus with Gauge and 3 Rods Subcategory_Temperature and Heat 2A with constantan winding on

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