An image depicting a military transmitter set from World War I. The transmitter set is identified as the SCR 91, with various components such as a lamp, condensator, oscillatory tube, ballast, reaction coil, and antennae coil. Additional parts include a wave length switch, modulator tube, control lay, and a coil box base.

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Size: 8445px × 5673px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 111-sc, 111-sc-38787, 60, 91, 482, 1918, 2000, 20000, 200mmp, 38787, 48-, 8447a0, activities, alay, american, ant, ballast, base, box, coil, cond, control, corps, lamp, length, military, mmp, modulator, oscillator, photographer, photographs, reaction, recd3-10-1921, res, ret, scr, set, signal, spl, switch, symbol, trans, transmitter, tube, tubey, war, wave, wl, world