Street letter box patented in Philadelphia

In Philadelphia, Albert Potts patents the first street letter box .  The box makes its appearance in Boston and New York City in August. (By John Osborne)
Source Citation
Joseph Nathan Kane, ed., Famous First Facts (New York: H.W. Wilson Company, 1981), .
Date Certainty
Exact
Type
Commercial
Relevance
Personal
How to Cite This Page: "Street letter box patented in Philadelphia," House Divided: The Civil War Research Engine at Dickinson College, https://hd.housedivided.dickinson.edu/node/11717.