History

Thomas Dwyer

invented machinery for spherical cannonballs at Navy Yard

invented machinery for spherical cannonballs at Navy Yard

In the record (1)

  1. 1862

    A Navy Yard employee named Thomas Dwyer invented machinery capable of manufacturing perfectly spherical cannonballs at the Charlotte facility.

    Confederate Navy Yard / Mecklenburg Iron Works (site)Confederate Navy Yard

    Source · checked 2026-08-13