SCIENTIFIC AMERICAN, New York, May 24, 1873.

* Girard Avenue bridge in Philadelphia Pennsylvania 

This 16 page issue is in nice condition and contains illustrations of the latest inventions of the day including the following inventions and/or prints: Girard Avenue bridge - Hat & Coat Hook - Railway Signal - Iron Bridge construction & Much More. These illustrations also have text that goes along with them. Very interesting advertisements as well, back in the day when many of the normal things we use today were just being invented. VERY INTERESTING STUFF HERE. Nice To Frame.