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  • McCarthy Album 08, Photograph 090
    McCarthy Album 08, Photograph 090

    No Caption: c. 1908-1912. Side view of a disappearing coastal artillery gun. Retracting or disappearing guns were a form of artillery developed in the nineteenth century in which heavy artillery guns were placed on rotating carriages that allowed retraction of the weapon after firing, to enable reloading while under enemy fire.

    Date: 1908

  • McCarthy Album 10, Photograph 085
    McCarthy Album 10, Photograph 085

    Caption: "Transportation Busses [sic] - Boulder City to Boulder Dam," c. 1935, shows a line of double-decker buses used to transport workers from Boulder City to Boulder Dam.

    Date: 1935