Section of Bored-out Log Laid in Victoria, B. C., in 1862 and taken out 1900
The durability of wood pipe is rather astonishing when the short life of logs exposed on the surface of the earth is considered. After lying buried in the earth for fifty or sixty years the wood pipe used in the Philadelphia waterworks was sold to Burlington, N. J., in 1804, and remained in constant use there until 1887, when larger mains were required.
Valve for Wooden Pipes Used in the Philadelphia Water Supply