Hasler | |
Hasler, a Swiss precision engineering and electronics company produced teleprinters and TELEX switches until the 1980s. | |
SP 20 circa 1975 |
SP 20 ASR |
5 Bit Baudot CCIT 2 page printer speed 50 / 75 / 100 bauds, switchable (local line automatically 100 bauds) printing mechanism: plastic type comb 2 or 4 wire line connection, sing/double current weight: appr. 40 kgs The SP 20 is a semi-electronic machine with an electronic keyboard and an electronic (TTL) coding and decoding unit. The machine is powered by a induction motor, but the timing is crystal controlled. Speed is switchable between 50, 75 and 100 bauds. The printing unit is based on a moving plastic type comb and each character of the line has its own printing hammer. Tape reader is optoelectronical. This particular machine on the photograph was in duty in a HF radio network of the German Federal Police and is equipped with a very special feature: automatic end of line CR/LF (carriage return/line feed). |
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