6-Prong Thermal Conductivity Apparatus with Mixed Metal Prongs Glass Flasks_Erlenmeyer Flasks and gauze-fronted object and receiving

and gauze-fronted object and receiving screens form this 1

Three-limbed glass tube on a 61cm-scaled wooden stand with a pinch clamp on the center limb

fine print

designed so seated students read the needle without parallax error from a steep viewing angle

this hair-element hygrometer uses fiber expansion and contraction on an 85 mm dial

6-Prong Thermal Conductivity Apparatus with Mixed Metal Prongs Glass Flasks_Erlenmeyer Flasks and gauze-fronted object and receivingSix pronged conductometer with 3. 75 inch sample rods in aluminum, brass, copper, stainless steel, and iron, comparing heat conduction rates through wax drops on each prong.