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Siemens & Halske
// ΜΤ-017442 // 1967
Signal Testing Device
DImensions: 2 x 40 x 32 εκ. Location: Germany Material: bakelite,metal
Metal, grey telecommunications signals testing device used to test the terminal destinations of telegrams. It has nine operation switches and the respective indicator lights, a number selection disk on the right side and on the left side two black, rotary dials, four red indicator lights and two operation switches.