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Home made BLOCKS to show
» HOW A TELEPHONE DIAL SYSTEM WORKS «



The BLOCKS get connected with LAB CABLES as the DIAGRAM shows...

    A Closer Look  "HOW THE TELEPHONE DIAL SYSTEM WORKS" ...

                   Historical Remarks ...
impressum:
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© C.HAMANN    http://public.beuth-hochschule.de/~hamann    03/08/08