Door knob.

Notice of Upcoming Content and Access Change

The Museum is working on the future of our online collections access, which will be incrementally released over time. On November 1, 2022, “My Collection” sets will be discontinued and no longer available. If you have “My Collection” sets you wish to preserve, we encourage you to print the sets, save as a PDF, or otherwise make your own copies of important information for your future reference.

Author/Artist: 
Leighton, William, 1833-1911.
Publisher: 
Washington, DC: United States Patent Office, 1855.
Description: 
[2] p. : ill. ; 28 cm.
Other Authors: 
United States. Patent Office.
Format of Material: 
Documents
Bib ID: 
64765
Find this in the library
Location: 
Secured Stacks - Documents
Call Number: 
Patents
Notes: 
Patent.
Specification of letters patent no. 12,265, dated January 16, 1855; William Leighton, of Cambridge, Massachusetts, assignor to New England Glass Co.
CMG has photocopy only.