If I remember rightly Holland for instance has something like 45, and it's a much smaller country. In comparison we have very few and they are very badly financed. ↗
'Tis very great pity that they who are so apt to over-rate themselves in smaller matters, shou'd, where it most concerns them to know, and stand upon their Value, be so insensible of their own worth. ↗
In turning from the smaller instruments in frequent use to the larger and more important machines, the economy arising from the increase of velocity becomes more striking. ↗