Surgeon General's Office,
Washington, D.C., Jan. 5th, 1870
I have the honor to report that the four (4) blank- books, furnished last January, to be used as registers for Visitors at the Museum, will be completely filled in a few days, and others will be required.
I, am, Sir, very respectfully,
Your obt. servant,
Robt. E. Williams
[To] Brt. Lt. Col. Geo. A. Otis,
Assistant Surgeon, N.S.A.
Curator of the Army Med. Museum.