Bar and Gauge Thermal Expansion Apparatus Pack Size_100 Used to trace the invisible

Used to trace the invisible shape of magnetic fields

Double-parallel plastic pulley with two 50mm wheels in a steel frame and end hooks

Black rubberized vinyl halter apron measures 27 by 42 inches

and prism table for measuring wavelengths and the refractive indices of solids and liquids

Aluminum pendulum clamp with three screw attachments on a die-cast head clamp fitting rods up to 16mm

Bar and Gauge Thermal Expansion Apparatus Pack Size_100 Used to trace the invisibleVisualizes linear thermal expansion through a fitted metal bar and gauge, heating the bar until it no longer passes through the opening and contraction returns it.