Thomas Challenor , Post-Master, at Stone in Staffordshire, upon every Tuesday, Thursday, and Saturday’s Morning, to go for London . And so likewise at all the several Post-Masters upon the Road, who will have all such set days so many Horses with Furniture in readiness to furnish the Riders without any stay to carry them to or from any the places aforesaid, in Four days, as well to London as from thence, and to places nearer in less time, according as their occasions shall require, they ingaging at the first Stage where they take Horse, for the safe delivery of the same to the next immediate Stage, and not to ride that Horse without consent of the Post-Master by whom he rides, and so from Stage to Stage to the Journeys end. All those who intend to ride this way are desired to give a little notice beforehand, if conveniently they can, to the several Post-masters where they first take horse, whereby they may be furnished with so many Horses as the Riders shall require with expedition. This undertaking began the 28 of June 1658 at all the Places abovesaid, and so continues by the several Post-Masters.
It is hard to understand how, even if he received notice beforehand, the first postmaster was enabled to guarantee the readiness of