| Injury arising from | Fast Coach. |
Heavy Waggon. |
|---|---|---|
| Atmospheric changes | 20 | 20 |
| Wheels | 20 | 35.5 |
| Horses' Feet drawing | 60 | 44.5 |
| Total Injury | 100 | 100 |
Supposing it, therefore, to be ascertained that the wheels of steam-carriages do no more injury to roads than other carriages of equal weight travelling with the same velocity, the committee now possessed the means of approximating to a just rate of toll for steam-carriages.[1]
(302.) As connected with this subject, and as affording most valuable information upon points in which, previous to experiment, widely different opinions have been entertained; the following extract is inserted from Mr. Telford's Report on the State of the Holyhead and Liverpool Roads. The instrument employed for the comparison was invented by Mr. Macneill; and the road between London and Shrewsbury was selected for the place of experiment.
The general results, when a waggon weighing 21 cwt. was used on different sorts of roads, are as follows:—
- ↑ One of the results of these inquiries is, that every coach which travels from London to Birmingham distributes about eleven pounds of wrought iron, along the line of road between those two places.
