RT @AfricanArchives: Philip Downing patented his invention, the street letter box, the predecessor of today’s mailbox, in 1891. —In the 18… #History #Inventions #Mailbox #Therearenospecificcountrycodesmentionedinthetweetprovided.
RT @AfricanArchives: Philip Downing patented his invention, the street letter box, the predecessor of today’s mailbox, in 1891. —In the 18… #History #Inventions #Mailbox #Therearenospecificcountrycodesmentionedinthetweetprovided.
