Spectacles with a metal frame and a “TRADE-AUROCONE-MARK / PAT. NOV. 16. 97” inscription. Siegfried G. Marschutz introduced the term Aurocone to commerce in 1897 and obtained a trademark two years later. According to advertisements, the “Marschutz Patent” Aurocone spectacles “are the only practical comfort-giving Spectacles on the market.”
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