Waters-Son (Wood engraver)
Modern practice of the electric telegraph: a handbook for electricians and operators
1870.
https://digitalcollections.nypl.org/items/cd7a34b0-3bd7-0134-0bb1-00505686a51c
Postcard shows a steel girder bridge crossing the Charles River, with pedestrians, horse and wagon, and elevated railcars crossing. A bridge guardtower and small shed for Boston Elevated Railways Co. Div.s are in the foreground.
c1905.