Letter from John V. Atanasoff to Sam Legvold of Iowa State College regarding an invention of interlocking blocks, blocks with guiding projections, and blocks with a sloping face, May 5, 1948. The letter details advice from Atanasoff to Legvold on how to ascertain if his idea of combining several types of blocks constitutes a new invention.
Letter from John V. Atanasoff to Harold V. Gaskill of Iowa State College regarding the Acoustics Division at the Naval Ordnance Laboratory and the purchase of a farm, June 10, 1948. The letter details Atanasoff's future plans for his farm as well as expression of congratulations for the progress Iowa State College is making in the field of atomic research.
Letter from John V. Atanasoff to G. W. Fox of Iowa State College regarding a request for cadmium sulfide crystals, September 30, 1948. The letter details the proper channels to use to obtain cadmium sulfide crystals.
