Bow frame amputation saw from the 1650s.
https://diqn32j8nouaz.cloudfront.net...tation_saw.jpg
Previously:
https://www.homemadetools.net/forum/...018#post157050
https://www.homemadetools.net/forum/...159#post126129
https://www.homemadetools.net/forum/...041#post140930
https://www.homemadetools.net/forum/...839#post100171
https://www.homemadetools.net/forum/...802#post129166
