Visiting and recording at Smithsonian Libraries. Here with Kim Alexander, Lilla Vekerdy (Library Goddess at the Dibner Library — one of 21 Smithsonian Libraries), and Katherine Neville. In The Vault at the Cullman Library—Dr. Livingston’s rifle, Sir Richard Burton’s (explorer, not actor’s) etchings. Also, Isaac Newton’s “garden notes,” on a slip of folded paper at…