Light Sensitive Devices
1. Photo resistors 2. Photocells 3. Photomultiplicators
1. Photoresistors
Philips ORP30 Cadmium sulphide top sensitive photoconductive cell.	ORP60	ORP93
2. Photocells
Philips 58CV Vacuum phototube, sensitive to red and infrared radiation.	150AV	155FF
919	RCA 929	.
Philips 3538 Gas filled phototube, sensitive to red and infrared radiation. Usage = ???	Philips 3546PW Gas filled phototube, sensitive to red and infrared radiation. Usage = ???	.
3. Photomultiplicators
Philips 150AVP Ten-stage photomultiplier. Vb max 1800 Volts	EMI D205R Usage = ???	.