Robert Ernest Smith

1879

• Sheet metal work
• Forging and welding
• Information and operation units in machine woodworking
• Machine Woodworking
• Machine woodworking
• Machining of metal
• Patternmaking and founding
• Units in bench metal work
• Units in etching, spinning, raising, and tooling metal
• Units in Etching, Spinning, Raising, and Tooling Metal
• Units in forging and welding
• Units in patternmaking and founding