Subsequently, at Zurich, Switzerland; the mechanical registers were replaced by PDP-11 computers.
2.
Early mechanical registers were entirely mechanical, without receipts.
3.
As electronic machines replaced the electro-mechanical registers in the early 1970s, NCR began cutting back payrolls.
4.
To detect the voltage pulse produced by the coincidence circuit when a coincidence event occurred, Rossi first used earphones and counted the clicks, and soon an electro-mechanical register to count the coincidence pulses automatically.
5.
Amongst these fa�ades , the stronger robustness of NCR mechanical registers, and the acquisition, in 1953, of the Californian electronic cash registers, soon identified as a real threat by organization members, relegated as the last wheel of the car by salesmen.
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