German bronze hammer from the 16th century.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...r_fullsize.jpg
Previously:
17th century Italian shingling hammer - photo
Four-sided hammer - GIF
Long-handled hammer for checking electrical poles before climbing - photo
Armorer's hammer - video
Bookbinder's hammer - photo
Hand engraving a hammer - GIF
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