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Scientific American, Vol. 6, No. 10 (March 1862) (1862)

leaf 7

An illustration from Scientific American, Vol. 6, No. 10 (March 1862), 1862, leaf 7
f unscrewing and taking off the chimney ;thus not only saving time and trouble, but also di-minishing the danger of breaking the chimney. India Rubber Patent Ex-tension.—Chas. Goodyear, Jr.,executor of Charles Goodyear,deceased, has applied for theextension of a patent grantedto said Charles… … and there held by the hinge. A spring catch, d, issecured to the crown piece on the side opposite to thehinge, and is so formed that it will catch under thebead on the edge of the burner frame when the chim-ney is in a vertical position and hold the parts inplace. A thumb piece is provided for…

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