TLS, one page, 7.25 x 10.5, personal letterhead, May 19, 1936. Letter to David Wetherhorn, in part: "I am sending you a book on amateur telescope making and astronomy, together with the various parts necessary to make up a telescope. The making of this instrument, especially in view of your interest in astronomy, will lead up to a broader study of science. The package will go forward in the very near future. Sorry we missed seeing your junior play owing to our departure. However, I am pleased to learn it was such a success. I shall keep in touch with you from time to time." In fine condition, with scattered light soiling, and a rust paperclip impression to the upper edge.
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