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CD: Vienna\'s Pneumatic Post System (the Rohrpost) operated betw
Vienna"s Pneumatic Post System (the Rohrpost)CD
Operated between 1st March 1875 and 1956. This CD is a substantial update of the on-paper first edition, now superseded and also out-of-print. It includes descriptions of the system, numerous examples, c
Operated between 1st March 1875 and 1956. This CD is a substantial update of the on-paper first edition, now superseded and also out-of-print. It includes descriptions of the system, numerous examples, c
