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Pawl and Ratchet mechanism
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Catalog Data
Inventor:
Johnston, Thomas
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Measurements:
overall: 5 1/8 in x 3 5/8 in; 13.0175 cm x 9.2075 cm
Object Name:
patent model, clutch, paul & ratchet
Place made:
United States: New York
Associated place:
United States: New York, Newburgh
Date made:
1891
Patent date:
1891-12-08
Location:
Currently not on view
ID Number:
MC.308844
Catalog number:
308844
Patent number:
464,938
Accession number:
89797
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Work and Industry: Mechanical and Civil Engineering
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a6-9033-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_847371
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