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(1446) U.S. Post Office "Unicorn" Lock

Bill Johnson612K subscribers

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Hand-picked by a BrighterTube curator · found via round-3 back catalogue of a channel Lumen picks video by video · 82% confidence

Examines a U.S. Post Office 'Unicorn' lock's history and design. Teaches historical government lock systems and specifications.

A 7-minute video from Bill Johnson: “(1446) U.S. Post Office "Unicorn" Lock”.

History

Video by Bill Johnson, played through YouTube's embedded player.

Part of Lock Picking for Beginners