Planks Constant Apparatus by Photo Cell Tube
Digital power supply Lamp Filters AE-1372GH
To Study Photo tube response by light and filters
Photo Cell Tube in box
Power supply Digital meters for Photo cell tube
Light Source Bulb Filters Set of 3 Color filters
OPTIONAL AE-1320B Lux Meter Digital with Probe
Cat No Item with Power Supply meters
AE-1372GH Planks Constant Apparatus using Photo Cell
Tube Digital Power supply for tube three filters
With lamp house variable Filters AE-1372GH