The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 34
Catalog to Architects, Architectural Iron Works and Builders only on Application Patent Sheet Metal Shears Punching Machines All parts, including the main body, are made of forged steel which makes thesetools far superior to any made from cast steel. The Punch Machines are madefrom steel plates.…
Architecture · Building
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