huge old Armstrong Tool Strong Arm bridge building/engineer wrench 2'' & 2-3/16''

Huge old antique "Strong Arm" industrial engineer's open end wrench from Armstrong Bros Tool Co. This big old wrench was made for workmen on industrial steam engines, railroad locomotives, bridge building etc. The wrench is marked for 2" and 2-3/16" and measures about 21" long overall. This wrench is also marked with the Armstrong Bros Tool Co.'s "Strong Arm" trademark logo (originally trademarked in 1893) as a raised forge mark. This vintage old wrench has a patina of age and some light rust.