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Catalog Number C14.506.1-2
Title Henry Ham Patent Model of Shutter Dog
Object Name Model, Architect's
Description A wooden patent model for a locking shutter dog system, made by Henry Ham (1842-1914). 506.1 is a miniature model in mahogany and steel of two swinging shutters equipped with Ham's locking shutter dogs. 506.2 is a mounted shutter dog mechanism with all its parts, also made by Henry Ham circa 1870. It consists of a steel shutter dog, lock, clasp, and keeper mounted on black mahogany.
Date C. 1870
Year Range from 1865
Year Range to 1875
Artist Henry Ham
Dimensions H-10 W-2.625 L-16 inches
Material Wood, steel
Place of Origin New England
Provenance Part of collection of Henry Ham material removed from Ham house in Portsmouth. Given by Kenneth Gallant in 2002.
People Ham, Henry H., 1842-1914
Gallant, Kenneth
Search Terms
Subjects Models
Patents
Patent models
Shutters
Shutter dogs
Inventions