Among the records of the Architectural Glass Patent Index, you’ll find several patents by Joshua King Ingalls, as well as a much greater number by his friend, associate, and fellow reformer, Thaddeus Hyatt. The illustration (taken from the site) is of a design by Ingalls, Patent 146,074, Dec. 30, 1873, for “Improvement in Illuminating Vault-Covers.”
Related Articles

From the Archives
Joshua King Ingalls among the Universalists (1840–1847)
[one_third padding=”0 10px 0 0px”] [IN-PROGRESS] For the early reformers who would eventually find their way in the anarchistic camp, the path was often long and winding. For Joshua King Ingalls, the journey brought him […]

mutualism
Joshua King Ingalls, “Man and His Rights”
This is the second installment of J. K. Ingalls’ series on the “natural rights of man.” In it, we find the general plan that unites the majority of Ingalls’ contributions to The Spirit of the […]

Uncategorized
J. K. Ingalls, Woman’s Industrial Subjection
Joshua King Ingalls was one of the most tireless of the radical writers of the second half of the 19th century, and one of those most interested in the “social problem” in all its aspects. […]