Blue Obtained by the Reduction of Chlo. roxynaphthalic Acid. Sulphureted Hydrogen. Thallium Glass. Coal Oils and Petroleum., scientific american, 1866-05-19

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Blue Obtained by the Reduction of Chlo. roxynaphthalic Acid. Sulphureted Hydrogen. Thallium Glass. Coal Oils and Petroleum., scientific american, 1866-05-19

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