Silent sentinels ; the story of locks, vaults, and burglar alarms.
Describes the various means man has used to protect his valuables throughout history, from the Egyptian pyramids of ancient times to the elaborate vaults and burglar alarms of today.
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| Format: | Book |
| Language: | English |
| Published: |
Garden City, N.Y. :
Doubleday,
[1969]
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| Edition: | [1st ed.]. |
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