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Primary view of Vehicle-Indicator
McManus, Lewis R.
August 19, 1919
Primary view of Mechanical Device for Concentrating Vision.
Compere, Dolphus E.
August 19, 1919
Primary view of Deep-Well Pump.
Andrews, Benjamin
August 19, 1919
Primary view of Derrick.
Scanlan, Thomas J.
August 19, 1919
Primary view of Scoop.
Mitcham, James L.
August 19, 1919
Primary view of Boring-tool.
Dedman, Henry W.
August 19, 1919
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