Microscope; Mentoring; Pammel, L. H. (Louis Hermann), 1862-1931
9 / 7 / 1900
Dr. L. H. Pammel,
My Dear Prof. Pammel,
Your very kind letter has just reached me, and in reply will say that you are a much better judge of Cameras than myself, and any good one that will answer the purpose will do, of...