Salem State Archives: Hygrade-Sylvania
Salem State Archives: Hygrade Lamps Display
Salem State Archives: The Hygrade Triangle
Salem State Archives: Hygrade Sylvania Advertising Card
Salem State Archives: Hayden Cleveland, 1916
Salem State Archives: Sylvania Employees Watch Salem Soldiers March off to World War I, 1917
Salem State Archives: Hygrade-Sylvania Government Inspects, c. 1940
Salem State Archives: Rodney Tucker, A.C. Kendall, Leo Kelly, 1942
Salem State Archives: Fred Westlager, 1942
Salem State Archives: Fred Westlager, 1942
Salem State Archives: Leo Kelly and "Sylvania Gang", 1942
Salem State Archives: Leo Kelly and "Sylvania Gang," 1942
Salem State Archives: "Sylvania Gang," 1942
Salem State Archives: Conrad Tremblay, 1942
Salem State Archives: Conrad Tremblay, 1942
Salem State Archives: Conrad Tremblay, 1942
Salem State Archives: Arthur Toleos and Leo Kelly, 1942
Salem State Archives: Rodney Tucker, 1942
Salem State Archives: Irving Lubin, 1945
Salem State Archives: John Harris, 1942
Salem State Archives: Conrad Tremblay, 1942
Salem State Archives: Joe McQueen, 1943
Salem State Archives: Bay State Symphonaders
Salem State Archives: The Pick-Nook, 1944
Salem State Archives: Hygrade Band
Salem State Archives: "Porky" Toleos, 1944
Salem State Archives: The Sylvania Beam
Salem State Archives: Intesection of Loring Avenue and Canal Street, 1935
Salem State Archives: Intesection of Loring Avenue and Canal Street, 1935
Salem State Archives: Award for Sylvania Plant in Salem