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<p>The Hemingray Glass Company was a glass company founded in Cincinnati, Ohio, in the mid-nineteenth century.</p>

<p>In 1848, Robert Hemingray and Ralph Gray established a glass company in Cincinnati. It is unclear what the company was named at its founding, but by 1857, the firm was known as Gray, Hemingray, &amp; Bros. The company made numerous glass products, including salt and pepper shakers, dishware, and various knick-knacks, but it became especially well known for glass insulators, which were needed in the telegraph and eventually the telephone industries.</p>