Mord per Rohrpost
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A murder mystery book written in German by Günter Rudorf.
The title of the book is in German "Mord per Rohrpost", translated into English it will be "Murder per pneumatic tube system".
Pneumatic Tube, Rohrpost, Buizenpost
Pneumatic Tube Calendar
30 June 1859 (165 years ago)
The London Pneumatic Despatch Company was formed
30 June 1918 (106 years ago)
Pneumatic Tube Mail Boston USA temporarily discontinued
30 June 1918 (106 years ago)
Pneumatic Tube Mail Philadelphia USA discontinued