First, second and third floor plans. Includes extensive annotations for building specifications written by Addison Hutton (?) explaining instructions of Dr. Edward Cowles' (M.D. from Somerville, Mass.) Inscriptions at bottom right corner of both drawings read: "Rec. from DR Cowles Somerville, Mass., July 12, 1892", with initials "A.H." and with Addison Hutton's rubber stamped name and address. Forms part of: Pennsylvania Hospital (Philadelphia, Pa.) Architectural drawings and prints.