Papers on Engineering

1856 Scientific American  
and such like articles exhibited. A great number of good machines were awarded Bronze Medals; we would have published these with plelsure, but have followed our usual practice, and give only the gold and silver plizes, because our room is limited.
doi:10.1038/scientificamerican11231856-86a fatcat:yegvpnllffcb5mgxnjy3yubive