Correspondence. Swing Bridge Over the River Avon at Bristol and the Pyrmont Bridge, Sydney, N.S.W.

Abstract

Mr.Al1an. carriageway. Tallow-wood, as the best timber for the purpose in New South Wales, was used for wood blocks, it being peculiar in its absence from gum-veins. It was delivered in 5itches to facilitate inspection for class, and gauging to a width of 3 inches with a strict