[Ocroser 16, 1869. 248 The objects sought in these improvements are five ; name DEMUTH’S IMPROVEMENT IN GLASS WINDOW LIGHTS. ly, to do away entirely with punching or drilling saws at the This invention is one of the simplest character, and can be described in very few words; notwithstanding which… … says: , teeth at the heel than at the point, or so that fine teeth com- A piece of cast iron about six feet long, both with and mence and coarse teeth finish the cut. Fine teeth cut at the without side holes, was made, and a hole four to six inches in These im- recently made in methods for hanging…
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