Johnson bar

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English[edit]

Etymology[edit]

The reinforcing bar was invented by A. L. Johnson of the St. Louis Expanded Metal Company.

Noun[edit]

Johnson bar (plural Johnson bars)

English Wikipedia has an article on:
Wikipedia
  1. A corrugated metal bar used to reinforce concrete.
  2. A hand lever on various vehicles.
  3. A lever-dolly (similar to a crowbar) for moving heavy apparatus.
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