Topics Infrastructure

Eleven men in a work gang plug leaks in a tunnel, the Torresdale Conduit

Torresdale Conduit work gang, 1906

Black-and-white photograph showing the completed Upper Roxborough Filter system. Vaulted concrete ceiling with beds of filter sand.

Upper Roxborough Filter Beds Complete, 1903

Flashback Friday … the 13th!

A list of rules governing the sanitary maintenance of privy vaults in Philadelphia in 1915

Be Thankful You Don’t Live in Pre-Flush Philly

The Day Fairmount Dam Vanished