This oil-wick cap lamp is a patent model constructed by John H. Gable of Shamokin, Pennsylvania that received patent number 217,791 on July 22, 1879. Gable’s claim in the patent filing is a miner's lamp “having a rear attachment-hook, a transversely-flattened spout-burner that extends upward from the front of the body, having a small diameter in the plane of the hook, and spreading laterally to form a flame thin at the sides and broad in front.”
Patent model for Thaddeus Fairbanks, “Improvement in Weighing-Scales,” U.S. Patent 102,791 (May 10, 1870). Thaddeus Fairbanks (1796-1886) was a founder and proprietor of E. & T. Fairbanks, in St. Johnsbury, Vt. He described this invention as an “improvement in weighing scales” that was “intended to facilitate the weighing of widely-varying quantities with the same machine, without necessitating any delay for adjustment or change of counterpoise.”