Metal box wiht piano type on/off switch. Out put is through a 3 socket. The trnsformer is auto leak type and gives starting voltage of 440V which reduces itself when the lamp glows.Available : 35 / 55 wallt.
An 80 Watt choke of excellent quality is clamped on a heavy steel cabinet. An Anchor make piano type switch ad 5-pin socket is provided for on/off and output respectively
This aluminium metal box is round in shape & mounted horizontally on a sturdy metal base. Box is provided with one slit fitted with iris diaphragm to control the intensity of light. Bulb holders & lead of finest quality are fied in box to give you trouble free working for long life. This mount is suitable for 35W as well as 55W Lamp. Supplied without bulb & transformer.
Either Philips or Osram make Sodium Vapour Lamp is supplied. This low pressure Sodium Vapour lamp works better than 99% of the visible output, concentrated in 5889 0 & 5895 A Spectra lines
Generally this light source is used for above Michelson Interferometer. Supplied with sodium vapour lamp transformer 35 W, sodium vapour lamp 35W & heavy metal box for sodium vapour lamp with electrical fing
Wooden box with slits on three sides to perform 3 experiments at a time, each slit has two riders to adjust the lenght of slit or close it when no experiment is being performed.Regular quality made of ordinary wood.Deluxe quality made of superior wood and has different sized slits for different experiments. The height of the box can also be adjusted to suit the requirements of the experiment
