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Signal Cannon? 1738?
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<p>[QUOTE="springfld.arsenal, post: 3751679, member: 54"]Features that are incorrect for a 1738-dated nonferrous cannon:</p><p><br /></p><p>1. Yours has rimbases which didn’t appear on cannons until after about 1830. Rimbases are the collars on the trunnions where they meet the barrel.</p><p><br /></p><p>2. Most all nonferrous cannons cast before about 1770 had a pair of dolphins on top at the length center of gravity.</p><p><br /></p><p>3. Vent pan on this piece looks to have been formed by cutting with a round-nose end mill. Vent pans on real antiques aren’t this way.[/QUOTE]</p><p><br /></p>
[QUOTE="springfld.arsenal, post: 3751679, member: 54"]Features that are incorrect for a 1738-dated nonferrous cannon: 1. Yours has rimbases which didn’t appear on cannons until after about 1830. Rimbases are the collars on the trunnions where they meet the barrel. 2. Most all nonferrous cannons cast before about 1770 had a pair of dolphins on top at the length center of gravity. 3. Vent pan on this piece looks to have been formed by cutting with a round-nose end mill. Vent pans on real antiques aren’t this way.[/QUOTE]
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