Linear Expansion Apparatus with Gauge and 3 Rods Subcategory_Temperature and Heat and follicles on a mounted

and follicles on a mounted base for dermatology teaching

Thermally isolated 150mL aluminum reservoir inside a polystyrene-lined jacket

adjustable resistance

with two 4mm terminal posts

Entry-level two-part human skull model separates the skull cap to reveal the cranial cavity for introductory head-anatomy teaching at secondary and college levels

Linear Expansion Apparatus with Gauge and 3 Rods Subcategory_Temperature and Heat and follicles on a mountedDial gauge expansion apparatus with three interchangeable metal rods for heating and measuring the small length change each metal undergoes, illustrating linear thermal expansion.