41. Multiple items can be output to the teleprinter by appending each item after a comma. 42. Siemens-Halske used elektron casings for their " Hellschreiber " military teleprinter . 43. Later teleprinter took place of the telegraph. 44. Electromechanical teleprinters were heavy, complex and noisy, and have been replaced with electronic units. 45. Early teleprinter systems used five data bits, typically with some variant of the Baudot code. 46. This at a time when 10-character-per-second teleprinters were the norm. 47. Friedman described to Rowlett a concrete design for a teleprinter cipher machine that he had invented. 48. The code position assigned to Null was in fact used only for the idle state of teleprinters . 49. Radio-television service also was installed in major cities, and radio teleprinters became widely used. 50. This includes Kleinschmidt teleprinter TT-117 / FG and tape reperforator TT-179 / FG.
