U.S. Patent Office.
Ms. Am. ee. George W. Adams, of Boston, Massachusetts. 5h0 Electric alarm. Specification forming part of (9) Letters Patent No. 47,998, dated March 10,
1891.
cWashington, 1891,
With covering document approving grant of patent.
J. D. Whitney Sr Mem r Fd - 29 Mar. 1967