George Phillips Bevan, Once a Week (1860)
“ The grand desideratum, the wind, was always supplied by bellows, of course; but even in this point, immense improvements have been effected. Bellows are of two kinds,—diagonal and horizontal; the former so called, because, when blown, one end ascends while the other is stationary, giving it a wedge-like appearance, while the horizontal bellows always preserves an uniformly level surface. ”
