Forum: Patent & Propriety Locks
Moderator: awaiting/TBA | Post in this forum locks that demonstrate a Patent, or a Security Feature or even a Brand Name or Logo. You will find here Locks for: Doors, Furniture, Safes, Vaults, including: Combination Locks for Safes, Key Locks for Safes, Time Locks & Bolt Motors, Unit Locks, etc.
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By 1905 Andrew Carnegie had provided funding for the building of 671 libraries in America at a cost of Six Million pounds, and in England 325 libraries at a cost of £1,400,000. One such undertaking...
A layman's question