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PLCs for a monitoring system in the pharmaceutical industry
PLCs for a monitoring system in the pharmaceutical industry
Compact PLC with 8 inputs and 4 outputs
Compact PLC with 8 inputs and 4 outputs
Modular PLC with EtherNet/IP module, discrete and analog I/O, with some slots being empty
Modular PLC with EtherNet/IP module, discrete and analog I/O, with some slots being empty
PLC system in a rack, left-to-right: power supply unit (PSU), CPU, interface module (IM) and communication processor (CP)
PLC system in a rack, left-to-right: power supply unit (PSU), CPU, interface module (IM) and communication processor (CP)
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A human computer, with microscope and calculator, 1952
A human computer, with microscope and calculator, 1952
The Ishango bone, a bone tool dating back to prehistoric Africa
The Ishango bone, a bone tool dating back to prehistoric Africa
The Antikythera mechanism, dating back to ancient Greece circa 150–100 BCE, is an early analog computing device.
The Antikythera mechanism, dating back to ancient Greece circa 150–100 BCE, is an early analog computing device.
Charles Babbage c. 1850
Charles Babbage c. 1850