Rectilinear Propagation   (EE - 692)

V shaped tube. To show cathode rays are generated only vertical (lower electrode) irrespective of the anode points (any of two electrodes above).

Heating Effect Wax Coating   (EE - 693)

When cathode rays are focused on wax coated on the outside of the upper round head of cathode ray tube, the wax melts quickly showing heat generated by cathode rays.

Shadow Effect (Maltese Cross)   (EE - 694)

When the cross is placed in the path of the cathode rays, a sharp shadow is formed. Its sharpness is an indication that the rays are emitted from the cathode in a definite direction and not like from a luminous surface in all direction. It shows that the cathode rays travels in straight line.

Vacuum Tubes on Stand   (EE - 695)

Vacuum tubes are mounted on a stand with different pressures in them. Gases are added to intensify the luminescence. Tubes are 30 cm long. Works on induction coil or 10KV power supply.

Geissler's Tubes on Stand   (EE - 696)

Six vacuum tubes of various shapes and designs, and different degrees of vacuum inside showing different discharge phenomenon illuminations and patterns etc. Tubes are mounte in a glass/wooden case with rotary switch for connection of any or the tubes.

Geissler's Tubes, Set of Six   (EE - 697)

Heating Effect Platinum Foil   (EE - 698)

Upon focusing at a point, cathode rays generate intense heat shown by the red heating of platinum foil.

High Tension Power Supply   (EE - 699)

Suitable for spectrum tubes, with ON/OFF and selector switch. Output 5KV, 2-3 milliamps. Operating on 220V AC, 50 Hz, Housing in sheet metal case.

Photo Electric Cell Apparatus   (EE - 700)

Mounted on wooden box, with circuit diagram, fitted with lamp filter, cell holder in line with 4mm socket terminal connections.

Photo Electric Cell Unit   (EE - 701)

Mounted on base, with 4mm colour coded sockets, with circuit diagram printed for demonstration.

Solar Cell   (EE - 702)

Consists of two separate units, solar cell mounted on sheet metal stand and a motor unit with fan, each having 4mm sockets and leads.

Bulb Holder   (EE - 703)

Fitted on Plastic Base

Diode Unit   (EE - 704)

Fitted on Plastic Base

Solar Fan Model   (EE - 705)

Mounted in a metal box with solar cell, fan

Regulated Power Supply   (EE - 706)

This unit provides A.C./D.C. voltages in 2V steps up to 12V. The A.C. is rectified to give the D.C. equivalent. An automatic electronic circuit breaker gives protection against electrical overload or short circuit. The circuit beaker opens when the rated current is exceeded . Separate A.C. and D.C. socket terminals allow 4 mm. plug to be used for connection to the output. Connection to the mains lead, supplied with each unit