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

The weeder's drive arrangement. Note two different types of chain. The implement has no clutch to take it out of gear.
The weeder's drive arrangement. Note two different types of chain. The implement has no clutch to take it out of gear.
Jim Lacey