6-Prong Thermal Conductivity Apparatus with Mixed Metal Prongs Glass Flasks_Erlenmeyer Flasks Hand-cranked cam turning against both

Hand-cranked cam turning against both a straight follower and a lever follower

fine print

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

5V tungsten-filament flash-lamp bulbs with E10 MES screw bases

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 Hand-cranked cam turning against bothSix 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.