Robert Barron (locksmith)

Robert Barron was an English locksmith notable for his invention of the double–acting tumbler lock in 1778.[1][2]

References

  1. ↑ "The history of locks". London Locksmiths Ltd. Retrieved 8 November 2011.
  2. ↑ Bellis, Mary (8 November 2011). "The History of Locks". About.com Inventors. About.com. Retrieved 8 November 2011.
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