The Beaver Mail arrives on Monday evening, and closes the same day at sun-set.

The Erie Mail arrives on Monday evening and closes the same day at sun-set.

The Steubenville Mail arrives on Sunday and Wednesday evenings, and closes same days at sun-set.

The Huntingdon Mail, via Ebensburgh and Indiana, arrives on Tuesday, and closes same day at half past twelve P.M….

As there are several places of the same name in the United States, it is necessary that the directions should be particular, the states should be distinguished, and, where it might otherwise be doubtful, the counties….

Those who send letters may either pay the postage in advance, or leave it to be paid by their correspondents.

Rates of Postage
For Single Letters
Cents
Forany distance not exceeding40miles 12
Over 40 and not exceeding90do 15
Over 90 and not exceeding150do 18¾
Over 150 and not exceeding300do 25½
Over500 37½

Pittsburgh directory, 1815.

The Suburbs

"Birmingham is a small village across the Monongahela, about one mile south of Pittsburgh. It has works for green glass, furnaces for casting hollow ware, &c. from pigs, and a saw mill, which is moved by a steam engine. The coal for all these, is used fresh from the mine, without mixture, coaking or desulphuration.