
Autographed photograph of Treadgold's Lubecker chain bucket excavator construction (Liverpool, England). Signed on back by Treadgold's shovel expert David Elliot. See also 1984.234.41.
Autographed photograph of Treadgold's Lubecker chain bucket excavator construction (Liverpool, England). Signed on back by Treadgold's shovel expert David Elliot. See also 1984.234.41.