"Meanwhile, at social Industry's command,
How quick, how vast an increase! From the germ
Of some poor hamlet, rapidly produced
Here a huge town, continuous and compact,
Hiding the face of earth for leagues—and there,
Where not a habitation stood before,
Abodes[745] of men irregularly massed
Like trees in forests,—spread through spacious tracts,
O'er which the smoke of unremitting fires