Inventor:

Hall, Thomas S.  Search this

Object Name:

patent model, railroad signal, electric

Other Terms:

patent model, railroad signal, electric; signal, electric; Rail

Associated place:

United States: Massachusetts, Boston

Date made:

ca1869

ca. 1869

Patent date:

1869-04-27

Location:

Currently not on view

ID Number:

TR.309220

Catalog number:

309220

Patent number:

89,308

See more items in:

Work and Industry: Transportation, Railroad

Data Source:

National Museum of American History

GUID:

http://n2t.net/ark:/65665/ng49ca746a6-764a-704b-e053-15f76fa0b4fa

EDAN-URL:

edanmdm:nmah_843306