A HOME-MADE COLD BOX AND WATER COOLER. ELECTROGRAPHS OF THE ELECTRO-STATIC CURRENT MADE WITHOUT A CAMERA. PROP. ELMER GATES. AN AUTOMATIC ACETYLENE-GENERATOR, scientific american, 1899-10-07
A HOME-MADE COLD BOX AND WATER COOLER. ELECTROGRAPHS OF THE ELECTRO-STATIC CURRENT MADE WITHOUT A CAMERA. PROP. ELMER GATES. AN AUTOMATIC ACETYLENE-GENERATOR, scientific american, 1899-10-07
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