4 public-domain matches

Cranes Derricks

Cover of Krane

Krane

Anton Böttcher

Cover of American Hoist and Derrick Co., St. Paul, Minn. ...

American Hoist and Derrick Co., St. Paul, Minn. ...

American Hoist & Derrick Company

Cover of Girders for electric overhead cranes

Girders for electric overhead cranes

John William Branston

Plant and Material of the Panama Canal

Plant and Material of the Panama Canal

William Plumb Williams