Image
Manufactured By:
John Tremper
Buffalo, NY; Philadelphia, PA; Wilmington, DE
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Title: |
1866 ad - Tremper's improved chronometer governor |
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Source: |
1866 (approx.) post card |
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Insert Date: |
1/11/2018 8:05:42 PM |
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The style of governor resembles most closely that seen in Trimble's patent 37,064, granted 1862-12-02. |
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