1942 enormous rope drop hammer.
Fullsize image: https://upload.wikimedia.org/wikiped...d%2C_Calif.jpgQuote:
Huge drop hammers work day and night forming sheet metal parts for United Nations bombers and fighters at the North American Aviation plant, Inglewood, Calif.
https://s3-us-west-1.amazonaws.com/h...rop_hammer.jpg
Previously:
https://www.homemadetools.net/forum/...6425#post83639
https://www.homemadetools.net/forum/...809#post119112
https://www.homemadetools.net/forum/...100#post115522
https://www.homemadetools.net/forum/...6821#post84414
https://www.homemadetools.net/forum/...0822#post73203