![](http://www.alamy.com/thumbs/6/FC207945-BA8E-4147-A5E0-27DDAA224085/JR58D2.jpg)
A 19th century steam hammer or drop hammer. From Les Merveilles de la Science, published 1870.
Size: 4276px × 4134px
Photo credit: © Classic Image / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 19th, century, cylinder, driving, drop, factory, forgings, hammer, historical, history, illustration, industrial, invention, machine, machinery, mechanical, nineteenth, piles, piston, revolution, science, scientific, shaping, steam, technological, technology, worker, workers, working