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  • Description: designated
(8 results)



Display: 20

    • Texas Towers

    • Radar; Towers;
    • Written on back: "Famed 'Texas Towers' of the Continental Radar Warning System wear leggings of Lukens Monel clad steel which reach from beneath the water level to above the splash level to provide protection against action of the salt water."...
    • Fort McHenry grounds

    • Forts & fortifications;
    • Named for Col. James McHenry of Baltimore, an aide to Gen. Washington during the Revolutionary War and who served as Secretary of War from 1796-1800(?). Fort McHenry is located on Whetstone Point on Patapsco River, featured star-shaped dungeons,...
    • Site of Laboratory

    • Laboratories;
    • "This building appears on no map earlier than the 1903 retracings which designated it as a coal house; the laboratory designation comes from the 1917 map. No text references were found and nothing else is known about it."
    • Composition House

    • Ordnance industry; Gunpowder;
    • "If the 1834 Alfred Victor du Pont survey is accurate and in scale, then this is not the press house shown on that survey about 100 feet from the existing indented stone-walled area. If the scale of the map is incorrect, then this could be the same...
    • 'Texas Towers'

    • Radar; Towers;
    • Written on back: "Famed 'Texas Towers' of the Continental Radar Warning System wear leggings of Lukens Monel clad steel which reach from beneath the water level to above the splash level to provide protection against action of the salt water."...

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