Chemical-Free Weed Control: Cable Weeder Did the Job in the 1930s

Patented in the 1930s, a Simpson cable weeder turns up in Canada 70 years later

Detail of nuts used to tension cables. Even after more than 70 years, the cables remain tight and have no rust, indicating use of copper in the steel.
Detail of nuts used to tension cables. Even after more than 70 years, the cables remain tight and have no rust, indicating use of copper in the steel.
Jim Lacey