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Scientific American, Vol. 89, No. 24 (December 12, 1903) (1903)
leaf 29
BBARD 0©0,, Inquiry No, 4858.—For an attachment for a lathe to make spiral springs. Middletown, Conn. SEND FOR CIRCULAR American inventions negotiated in Europe, Felix Our little book ‘‘How to Case-] Penberthy Injector Co., 380 Holden Avenue Hamburger, Equitable Building, Berlin, Germany. FREE to… … because it bas double {nquiry No. 486%7.—For manufacturers of wire é porcelain, air space, self- 75¢-"you'as Press-Button Knife The “Champion ee packing joint and pro- mattress machinery. tected point. American and Frencb size, $1.50, Winton, which a simple pressure of the button opens. It locks…Internet Archive · Public domain (published before 1931). Free to use for anything.
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