Pennsylvania State Flag


Pennsylvania State Flag

Pennsylvania Statistics

Markers: 1772
..with maps 383
..with pictures 177

Newest Pennsylvania Markers

Home arrow Pennsylvania arrow Crawford County arrow Roberts Torpedo PA1596
Roberts Torpedo PA1596 Print E-mail
First successful device for increasing the flow of oil by setting off an explosion deep in a well. It was publicly demonstrated in 1865. The nitroglycerin was made .4 mile south of here, along Hammond Run.
Smock Blvd(Pa8), Titusville. Crawford County Pennsylvania.
Comments (0)add
Show/Hide comment formtoggle


Write the displayed characters

busy
 
< Prev   Next >