. Scientific American Volume 91 Number 09 (August 1904). WATER A PERPETUAL SUPPLY if H I tn usually means perpetual ex-pense. The windmill and gasoline engineare costly to install and run. NiagaraHydraulic Ram will work con-tinuously wherever there is a runningstream. Nothing to blow down, blowup, or require attention. Requiresless head of water to operate thanany other ram. Never needs re-pairs. Catalogue free. Niagara Hydraulic Engine CoChester, Pa. The Eureka Clip The most useful article ever inventedfor the purpose. Indispensable to Law-yers, Editors, Students, Bankers, Insur-ance Companie
. Scientific American Volume 91 Number 09 (August 1904). WATER A PERPETUAL SUPPLY if H I tn usually means perpetual ex-pense. The windmill and gasoline engineare costly to install and run. NiagaraHydraulic Ram will work con-tinuously wherever there is a runningstream. Nothing to blow down, blowup, or require attention. Requiresless head of water to operate thanany other ram. Never needs re-pairs. Catalogue free. Niagara Hydraulic Engine CoChester, Pa. The Eureka Clip The most useful article ever inventedfor the purpose. Indispensable to Law-yers, Editors, Students, Bankers, Insur-ance Companies and business men gen-erally. Book marker and paper not mutilate the paper. Can beused repeatedly. In boxes of 100 for be had of all booksellers, stationersand notion dealers, or by mail on receiptof price. Sample card, by mail, free. Man-ufactured by Consolidated SafetyPin Co., Box 121. Bloomfield, N. Volt Ammeters Pocket size, but large enough fur accuracyand practical use. Various ranges for test-ing batteries electric lignt, telephone andother circuits, etc Also, Voltmeters andAmmeters for general for Circular. Ji. M. ,80 Cortlandt St., New York,
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