List of makers of sun-dials and mathematical instruments : typescript, 1905-1929.
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Gillingham, Harrold E. (Harrold Edgar), 1864-1954
http://n2t.net/ark:/99166/w69c7pnv (person)
Acting librarian of the Historical Society of Pennsylvania. From the description of Harold E. Gillingham letter to Edwin M. Betts [manuscript], 1934 June 1. (University of Virginia). WorldCat record id: 182580223 Harrold Edgar Gillingham was a PHiladelphia insurance broker and an avid Americana collector. Louise Hance Long Gillingham and Edith H. Gillingham were his wife and daughter respectively. From the description of Collection, 1730-1950. (Historical Society...