This self-serving petition, which would have allowed manufacturers to continue polluting the water supply of Philadelphia, was rejected by the Pennsylvania Legislature, but manufacturers kept polluting the river anyway.
A cartoon for the holidays, showing that the problem of unsightly overhead wires is hardly new.
A brief explanation, with pictures, of the use of wood to convey water (but not sewage).
Celebrating a pumping station built 100 years ago with recently-discovered drawings.
For every possible topic–even lighthouses–you can find someone who is obsessed with it.
An early idea of what the banks of the Schuylkill could be–and what they look like today.
Three sets of rarely-seen drawings of a national engineering landmark.
A brief diversion into the fluid known as electricity
This post is where this website (under a couple of different names) began more than 20 years ago. The text is still the same, but I have added new maps and new high-resolution images that are worth checking out.
Celebrating Philadelphia before the European invasion with a beautiful map of Lenapehoking.
Uncovering the history of the Aramingo Canal, aka Gunner’s Run.
A brief but forward-thinking report on sewage pollution in the city’s drinking water supply.