CHAS. JOHNSON.

_General Post-office,

Dec. 8, 1819._

P.S. As one instance of the benefit of Mr. MᶜAdam’s improvement, I beg

to mention that the _mail last winter lost ten, fifteen, and twenty

minutes, in passing from Staines to Bagshot_, but now the time is

_exactly kept_.

Remarks on the Present System of Road Making With Observations, Deduced from Practice and Experience, With a View to a Revision of the Existing Laws, and the Introduction of Improvement in the Method of Making, Repairing, and Preserving Roads, and Defending the Road Funds from Misapplication. Seventh Edition, Carefully Revised, With an Appendix, and Report from the Select Committee of the House of Commons, June 1823, with Extracts from the Evidence · 第 33 / 37 题