A NINETY MILLION CANDLE POWER ELECTRIC BEACON. Fig. 1. THE NINE THOUSAND CANDLE POWER ARC LAMP. Inches diameter and the 55-volt current will Prof. Marsh's Gift to Yale. Fig. NINETY MILLION CANDLE POWER BIVALVE LENS FOR UNITED STATES LIGHTHOUSE SERVICE. To Seal Letters so That They Cannot Be Opened. near the base., scientific american, 1898-01-29
A NINETY MILLION CANDLE POWER ELECTRIC BEACON. Fig. 1. THE NINE THOUSAND CANDLE POWER ARC LAMP. Inches diameter and the 55-volt current will Prof. Marsh's Gift to Yale. Fig. NINETY MILLION CANDLE POWER BIVALVE LENS FOR UNITED STATES LIGHTHOUSE SERVICE. To Seal Letters so That They Cannot Be Opened. near the base., scientific american, 1898-01-29
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