Open-Type Economy Rheostat, Model B5 Included_Rod & Base 5-inch unfinished birch plywood oven

5-inch unfinished birch plywood oven rack push puller supports hot-rack manipulation without direct hand contact

point discharger

Trigger-actuated inertia demonstrator that slides a dimpled plate out from under a steel ball

Fan-shaped end scrubs vessel bottoms on this 16

sized to give student bench setups a direct numeric reading without analog parallax

Open-Type Economy Rheostat, Model B5 Included_Rod & Base 5-inch unfinished birch plywood ovenUsed as a series resistor or potentiometer in adjustable current circuit work, this open type slide wire rheostat carries oxidized constantan winding on a pipe with three 4mm sockets.