Soviet 6C5S dual-anode kenotron tube. Designed for rectification of alternating current of industrial frequency 50Hz. Manufacturer "REFLECTOR". Equivalent to tubes: 6X5GT and EZ35. NOS
Russian 5C4M kenotron tube, direct-filament, two-anode. Designed for rectification of alternating voltage. Half 5C3S. Equivalent of the 5Z4, 5Z4G, CV1863, GZ30, 5CG4, 6087, 5C4S