The act by which this postoffice was established recited that “Whereas, The King and the late Queen Mary, by their royal letters patent under the great seal of England, bearing date the seventeenth day of February, which was in the year one thousand and six hundred and ninety-one, did grant Thomas Neal, Esquire, his executors, administrators and assigns, full power and authority to erect, settle, establish within the King’s colonies and plantations in America, one or more office or offices for receiving and dispatching of letters and packets by post, and to receive, send and deliver the same, under such rates and sums of money, as shall be agreeable to the rates established by act of Parliament in England, or as the planters and others should agree to give on the first settlement, to have, hold and enjoy the same for a term of twenty-one years, with and under such powers, limitations and conditions as in and by the said letters patent may more fully appear.

“And whereas, The King’s Postmaster General of England, and at the request, desire and nomination of the said Thomas Neale, hath deputed Andrew Hamilton, Esquire, for such time and under such conditions as is his deputation is for that purpose mentioned to govern and manage the said General Post Office for and throughout all the King’s plantations and colonies in the mainland or continent of America and the islands adjacent thereto, and in and by the said deputation may more fully appear.

“And whereas, The said Andrew Hamilton hath, by and with the good liking and approbation of the Post Master General of England made application to the proprietary and Governor of this Province and Territories and freemen thereof convened in General Assembly, that they would ascertain and establish such rates and sums of money upon letters and packets going by post as may be an effectual encouragement for carrying on and maintaining a general post, and the proprietary and Governor and Freemen in General Assembly met, considering that maintaining of mutual and speedy correspondencies is very beneficial to the King and his subjects, and a great encouragement to trade, and that the same is best carried on and managed by public post, as well as for the preventing of inconveniences which heretofore have happened for want thereof, as for a certain, safe and speedy dispatch, carrying and recarrying of all letters and packets of letters by post to and from all parts and places within the continent of America and several parts of Europe, and that the well ordering thereof is matter of general concernment and of great advantage, and being willing to encourage such a public benefit.

“Section 1. Have therefore enacted and be it enacted, etc. That there be from henceforth one general letter office erected and established within the town of Philadelphia, from whence all letters and packets whatsoever may be with speed and expedition sent into any part of the neighboring Colonies and plantations on the mainland and continent of America, or into any other of the King’s kingdoms or dominions, or unto any kingdom or country beyond the seas; at which said office all returns and answers may likewise be received, etc.”

Thus Governor Andrew Hamilton, of New Jersey, first devised the postoffice scheme for America, for which he obtained a patent, and the profits accruing. He afterwards sold it to the Crown.

The Assembly appropriated £20 yearly as a salary to Andrew Hamilton, “the postmaster of North America under the Crown.”

Thus was the postal system established, and the postmaster empowered to deliver mail to every corner of the Western World.

The first list of letters advertised appeared in the Pennsylvania Gazette, March 21, 1738. It contained about 150 names of all the letters collected and uncalled for in the previous six months, mostly for non-residents.

In July, 1762, the following advertisement appeared in Bradford’s Journal:

“The lad who was lately employed at the Postoffice as penny post having run away, the gentlemen who expect letters are requested to call for them until a suitable person can be procured to carry them. William Dunlap.”