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Scientific American, Vol. 89, No. 6 (August 1903)
1903 · 17 pictures
Patents · Spark · Radium · Feet · Speed · Power · Horse power · Motor · Loch long · Loch lomond · Scientific American · Sir william · Average speed · Radium salt · Spark terminals · Liquid air · Candle power
Internet Archive · Public domain (published before 1931) · More from this library