Date: March 14, 1893
Creator: Arnold, Eliphalet, L.
Description: Patent for invented a new and useful Nut-Lock. Invention relates to improvements in nut locks of the class known as "spring and ratchet," for the purpose of proving a simple, cheap and easily operated nut lock without injury to any parts, and in which the locking means are concealed and protected while in the operative positions (10-15)
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