Designed to handle 18 different channels for transmission over a single carrier in multiplexing or telemetering applications. New old stock * No longer available for export. MFR: Decca Radar, CEI SKU: 6064
Side-on type having S-4 response. Wavelength of maximum spectral response is 4000 +/- 500 angstroms. New old stock * No longer available for export. MFR: Cetron, RCA, Tung-Sol SKU: 5581
Suitable for use as the series valve in voltage stabilization equipment. New old stock * No longer available for export. MFR: CEI, Made in England SKU: A2134
Designed to function as a red and infrared radiation detector in relay or measurement applications. New old stock * No longer available for export MFR: CBS SKU: 919
Designed to function as a red and infrared radiation detector in sound reproduction applications New old stock * No longer available for export MFR: RCA, CBS, Westinghouse SKU: 920
Designed to function as a photodetector tube in relay systems where very high light sensitivity is needed. New old stock * No longer available for export. MFR: RCA SKU: 931A-RCA
