. Scientific American Volume 91 Number 09 (August 1904). To Owners of Gasoline Engines,Automobiles, Launches, Etc TheAuto=Sparker does away entirely with all starting andrunning batteries, their annoyance andexpense. No belt—no switch—no bat-teries. Can be attached to any enginenow using batteries. Fully guaranteed;write for descriptive catalog. Motsinger Device Mfg. Co.,14 Main St., Pendleton, Ind, iTiieSTiarer A new foot power that canb e appliedto all light machinery. A kick startsthe machine and an occasional kickbeeps it going. Send for our Booklet. SLOTKIN & PRAGLIN, 210A Canal St., New


. Scientific American Volume 91 Number 09 (August 1904). To Owners of Gasoline Engines,Automobiles, Launches, Etc TheAuto=Sparker does away entirely with all starting andrunning batteries, their annoyance andexpense. No belt—no switch—no bat-teries. Can be attached to any enginenow using batteries. Fully guaranteed;write for descriptive catalog. Motsinger Device Mfg. Co.,14 Main St., Pendleton, Ind, iTiieSTiarer A new foot power that canb e appliedto all light machinery. A kick startsthe machine and an occasional kickbeeps it going. Send for our Booklet. SLOTKIN & PRAGLIN, 210A Canal St., New York. Cb* Scientific American=Supplement OR SEPTEMBER 3 will contain these articleson the ST. LOUIS FAIR Edison Historical ExhibitTwenty=foot Wooden PulleyThe Exhibit of Welded Steel ALL ARTICLES FULLY ILLUSTRATEDtiiiiiiiiiitiiiiiiiiiiiinit- The Supplement costs 10 cents by mailiiiiiiiiiiiiiiiuiiiiiiiiii Broad-way New YorK Speed indicating alarm, Cahill & Lui nigral: 77, Spike extractor, L. 1). Butters 7«7,»


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