We are offering rheostat (ee - 515). Single tube grooved type with non breakable enameled pipe but these are made with special non breakable vitreous enameled steel tubes. The winding is locked into place with ceramic cement. The tube is carried upon robust enameled die-cast end stands and the heavy duty sliding contact is of the multi leaf phosphor bronze type. Nickel plated for corrosion resistance 4 mm scoket terminals are fitted allowing for rheostat or potentiometer connection.

We are offering cell plates. This is to demonstrate the construction of simple type batteries. ^plates are provided with terminals for connection. A) zinc : 90x25x1.5 thick b) zinc : 150x50x0.7 thick c) copper : 90x25x1.5mm thick d) copper : 150x50x0.7mm thick e) lead : 90x25x1.5 thick f) lead : 150x50x0.7mm thick g) carbon : 90x25x6mm thick h) carbon : 150x50x6mm thick

We are offering carbon electrodes mounted (ee - 555) newly mounted holder which can hold different type of electrodes. Complete assembly can be put on the top of the vesseljar.

We are offering lechlanche cell (ee - 557) comprises of a glassplastic container, filled porous pot with carbon electrode and a zinc rod 150xl2mm with terminal. Spares: glass container ee - 5571 plastic container ee - 5572 filled porous pot ee - 5573 zinc rod 150 x 22mm ee - 5574

Geometric Equivolume Models (MC-1095) Set of six wooden models, comprising cube, rectangular, cylinder, cone, square pyramid and sphere. Approx size 10cm.

We are offering rheostat (ee - 515). Single tube grooved type with non breakable enameled pipe but these are made with special non breakable vitreous enameled steel tubes. The winding is locked into place with ceramic cement. The tube is carried upon robust enameled die-cast end stands and the heavy duty sliding contact is of the multi leaf phosphor bronze type. Nickel plated for corrosion resistance 4 mm scoket terminals are fitted allowing for rheostat or potentiometer connection.

We are offering cell plates. This is to demonstrate the construction of simple type batteries. ^plates are provided with terminals for connection. A) zinc : 90x25x1.5 thick b) zinc : 150x50x0.7 thick c) copper : 90x25x1.5mm thick d) copper : 150x50x0.7mm thick e) lead : 90x25x1.5 thick f) lead : 150x50x0.7mm thick g) carbon : 90x25x6mm thick h) carbon : 150x50x6mm thick

We are offering carbon electrodes mounted (ee - 555) newly mounted holder which can hold different type of electrodes. Complete assembly can be put on the top of the vesseljar.

We are offering lechlanche cell (ee - 557) comprises of a glassplastic container, filled porous pot with carbon electrode and a zinc rod 150xl2mm with terminal. Spares: glass container ee - 5571 plastic container ee - 5572 filled porous pot ee - 5573 zinc rod 150 x 22mm ee - 5574

Geometric Equivolume Models (MC-1095) Set of six wooden models, comprising cube, rectangular, cylinder, cone, square pyramid and sphere. Approx size 10cm.