Boat Patterns $1.50 and Up Knock-Down Boat Frames BROOKS BOAT MFCi. CO. Marine Motor Build Your Own Boat SYSTEM THE FREEPORT HOOK Brighter than electricity or acetylene .-cheaper than kerosene-makes No GREASEDIRTSMOKE or ODOR. A safepowerfulwhite.steady light -durable and handsome. Over 100 styles-every lamp warranted. PATENTS TRADE MARKS DESIGNS COPYRIGHTS &C. Scientific Rtnericau.' LOUIS BIERSACH EXPERIENCE You Must Pull the Trigger LET US BE 'YOUR 'FACTORY & EXPERIMENTAL WORK. MODELS Experimental &Model Work RUBBER. FALLACIES Do Your Own Printing Telegraphy UP TO THE MINUTE' ADVERTISING The
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Boat Patterns $1.50 and Up Knock-Down Boat Frames BROOKS BOAT MFCi. CO. Marine Motor Build Your Own Boat SYSTEM THE FREEPORT HOOK Brighter than electricity or acetylene .-cheaper than kerosene-makes No GREASEDIRTSMOKE or ODOR. A safepowerfulwhite.steady light -durable and handsome. Over 100 styles-every lamp warranted. PATENTS TRADE MARKS DESIGNS COPYRIGHTS &C. Scientific Rtnericau.' LOUIS BIERSACH EXPERIENCE You Must Pull the Trigger LET US BE 'YOUR 'FACTORY & EXPERIMENTAL WORK. MODELS Experimental &Model Work RUBBER. FALLACIES Do Your Own Printing Telegraphy UP TO THE MINUTE' ADVERTISING The Complete Edition Now Ready AmericaLna MR. FREDERICK CONVERSE BEACH Over Two Thousand Special Contributors, scientific american, 1908-02-29