Two Necks Multiple Adapter, 19/26 Socket and 19/26 Cone, Borosilicate Glass Material_Steel 175mm aluminum pump plate with

175mm aluminum pump plate with an integrated tube connector and stopcock on a heavy tripod base

the lower-resistance higher-current option in the compact-tube rheostat line

letting students read image height and position directly off the projected real image during focal-length investigations

this object screen provides a stable projection surface for ray diagrams and lens investigations in physics coursework

Cast iron five-piece stackable slotted mass set combining a 5 kg

Two Necks Multiple Adapter, 19/26 Socket and 19/26 Cone, Borosilicate Glass Material_Steel 175mm aluminum pump plate withTwo neck multiple adapter in borosilicate glass features 19 26 socket and 19 26 cone for multi component chemistry apparatus connections.