Authentic, original vintage brass clock winding key manufactured by the historic E. Ingraham Company out of Bristol, Connecticut. This is an essential piece of hardware for horologists, antique clock collectors, or anyone looking to complete a restoration project with period-accurate parts.Key Specifications & Details:
- Manufacturer Markings: Clearly stamped with the official trademark text: \"Ingraham & Co., Bristol, Conn.\"
- Material: Solid brass with a beautiful, natural aged patina.
- Socket Size: Measures 4mm (interior square socket), which traditionally correlates to a standard American Size 7 clock key.
- Compatibility: Frequently used for standard winding arbors on 19th and early 20th-century American time-and-strike mantel, shelf, and wall clocks.
Condition:
The brass displays a gorgeous original patina and has not been aggressively cleaned or polished, preserving its historical character. Crucially, the internal square socket is clean, square, and well-defined with no significant stripping or rounded corners, ensuring it will securely grip your clock\'s winding post.

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