Darktown yacht club ladies' day: You'll just ballast de boat, Miss Tin...
Caricature issued as part of the "Darktown comics" series. Currier & Ives : a catalogue raisonné / compiled by Gale Research. Detroit, MI : Gale Research, c1983, no. 1896.
Hold from top of the ballast tank
Public domain photograph of a ship, free to use, no copyright restrictions image - Picryl description
Coming out of the mountains on the Atchison, Topeka and Santa Fe Railr...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Supervisor stands on windlass to ballast it from toppling into well. J...
Picryl description: Public domain image of a construction site, wooden frame, timber, free to use, no copyright restrictions.
Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsbu...
Picryl description: Public domain image of a mine, mining, free to use, no copyright restrictions.
Bethlehem Fairfield shipyards, near Baltimore, Maryland. Construction ...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description