Mounted Plane Glass Mirror, 175 x 25mm Plastic Labware_Plastic Funnels Stand-mounted Ingen-Hausz apparatus comparing thermal

Stand-mounted Ingen-Hausz apparatus comparing thermal conductivity of different metal rods through wax coatings that melt at different rates along each rod from the heated end

breaking its own circuit to a 12V halogen bulb as heat bends the strip

the optical glass producing undistorted views of specimens

and lead plugs for pump-plate connection during evacuation

Vertically pivoting magnetic needle that visualizes the dip angle of Earth's field

Mounted Plane Glass Mirror, 175 x 25mm Plastic Labware_Plastic Funnels Stand-mounted Ingen-Hausz apparatus comparing thermalSpans 175 by 25mm on a wooden mounting block, the longer reflective face accommodating ray tracing experiments that need maximal travel along the mirror surface.