Object Details
inventor
Jackson, Caleb H.
Location
Currently not on view
date made
ca 1879
ca. 1879
patent date
1879-07-15
ID Number
TR.309233
catalog number
309233
patent number
217,536
accession number
89797
Object Name
patent model, railway frog
Other Terms
rail switch; patent model, railway frog; Rail; Rail
Physical Description
wood (overall material)
Measurements
overall: 12 in x 7 in; 30.48 cm x 17.78 cm
associated place
United States: Pennsylvania, Harrisburg
See more items in
Work and Industry: Transportation, Railroad
Data Source
National Museum of American History
Link to Original Record
Record ID
nmah_843613