Letter from J.E. Graf to H.E. Walter, 1934 October 09
Reflecting telescopes -- Design and construction
Letter from J.E. Graf to H.E. Walter acknowledging receipt of Peate's lens as a loan to the Smithsonian Institution.
American University Library. Archives and Special Collections
1934 October 09
Reproduction and copyright information regarding this image is available from the American University Library -- Special Collections.
Is Part Of
American University: The formative years
1 : page
Graf, J.E., “Letter from J.E. Graf to H.E. Walter, 1934 October 09,” American University, accessed February 20, 2018, http://auomeka.wrlc.org/items/show/986.