Clough & Kimball 1870-1871 Interior of the Observatory - Messrs. Clough, Smith and Nelson. [Mt. Washington, N.H.] [Views taken on The Summit of Mt. Washington during The Winter of 1870-71]
Stereocard J. Paul Getty Museum Gift of Weston J. and Mary M. Naef, Object Number: 84.XC.979.276
