Our first foray into “What Is It?” (with full credit to Christopher Kimball and the respected Cook’s Illustrated feature) is this item, which is inscribed with the Patent Date Jan. 2 1912.

All guesses are welcome in comments. If you give up, and want the answer, send your best guess to taylor@thebrooklynkitchen.com

Need more help?  Another angle, after the jump…

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