Tube or pneumatic post is the service of correspondence
transportation and small parcels in capsules that drive
into tubes, by the help of compressed air. This method
was used by many countries and was interrupted the late
years. The disposed philatelic material include special
postmarks, postal stationery of pneumatic post (postcards
and covers), while Italy is the only country that issued
detailed article in the THEMATIC PHILATELIST, No 33/2007)
Postmarks of pneumatic post
Pictures of the Italian
Letter of the Italian tube post
Postal stationery of the Brazilian tube post
Postal stationery of the
French tube post
Folding letter, from the first of the Austrian tube
Letter of the Austrian tube post
Festive English postal stationery with postmark "Tube Post"
German postal stationery envelop with "Rohrpost"
German postal stationery "Rohrpost"
Air mail letter from
Norway to Germany, handled in town by tube post
German postal stationery of
tube post, for use in town of
Envelop of tube post of an American society