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Chubb's Detecting Mechanisum |
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Chubb's "Y" Lock |
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Chubb's Detent Lock |
| Chubb Specials |
| Chubb Library Items |
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The lock soon evolved to end gated levers. Notice the hardened plate covering the levers cut with groves to allow explosive gases to escape, also the large number of screws to hold the cap on, again to resist an explosive force. c. 18??. 6 lever Private Collection |