Packages & mail were carried by Stage Coaches, Rowland Hilli nvented the idea of paying for this service by using a Postage Stamp. 1840 or thereabouts in UK, the Penny Post.
1986
Mark Zempolodoft
post-it-notes
The post office letter box was invented around 1815 by the Cheif postal clerk Thomas Brown, soon to be Governor of Florida 1849-1853.
Donald Macadie, post-office engineer, invented the first multimeter in the 1920's. The original multimeter could measure volts, amperes and ohms.
Post office.Postal service.
Post Offices
FPO = Fleet post office for Navy personel. Apo = Army post office for Army personel
Main Post office (Head Post Office) to Main Post Office (Head Post Office)
Postal service
The plural is Post Offices
Go to the post office.