A similar principle was applied to this railway, by which a carriage, which had been fitted with a large collar of bristles, would be sucked along an airtight tunnel by a large fan, some in diameter, that was probably powered by a steam engine.
A similar principle was applied to this railway. A carriage would be sucked along an airtight tunnel by a large fan by this railway. A large fan is some in diameter. A large fan was probably powered by a steam engine. A large fan was some in diameter. A carriage had been fitted with a large collar of bristles.