The memo describes problems Eastman Kodak encountered with buffer solutions and the suggestion that the Model H-2 pH meter might be adapted for Kodak's applications. Lotze appears to be the creator of images as well as texts, with the exception of Figure 1 by Wood.
Wood, B. “Memo from T. H. Lotze to L. R. Pugh,” February 25, 1952. Beckman Historical Collection, Box 18, Folder 26. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/9z9030426.