Cite This Item
MLA
Dr. A. Estelle Glancy and Dr. Edgar D. Tillyer at work on a calculation, at the American Optical Southbridge. [ca. 1925]. Web. 26 Apr 2024. <https://ark.digitalcommonwealth.org/ark:/50959/mk61sj234>.
APA
Dr. A. Estelle Glancy and Dr. Edgar D. Tillyer at work on a calculation, at the American Optical Southbridge [Photograph]. ([ca. 1925]). Retrieved from https://ark.digitalcommonwealth.org/ark:/50959/mk61sj234
Chicago
"Dr. A. Estelle Glancy and Dr. Edgar D. Tillyer at work on a calculation, at the American Optical Southbridge." Photograph. [ca. 1925]. Digital Commonwealth, https://ark.digitalcommonwealth.org/ark:/50959/mk61sj234 (accessed April 26, 2024).