MAIL CHUTES

Forgotten New York -

In the early 20th Century a method was devised to enable the rapid transit of small-envelope mail in tall office buildings, which were evolving into skyscrapers such as the Flatiron or Singer Buildings as early as 1905. The pneumatic mail tube employed applied air pressure to make mail, placed in airtight capsules or left in [...]

Forgotten New York -

from Forgotten New York http://ift.tt/1lz8Lzx