Object Details
- patentee
- Howarth, John
- inventor
- Howarth, John
- Description
- This patent model accompanied John Howarth’s patent application that received patent number 117,290 on July 25, The patent describes a process for extracting sulphate of lime (gypsum) from salt brine (concentrated sea water) by evaporating the brine and then superheating it.
- Location
- Currently not on view
- 1871
- patent date
- 1871-07-25
- ID Number
- 1999.0086.01
- catalog number
- 1999.0086.01
- accession number
- 1999.0086
- patent number
- 117,290
- Object Name
- patent model, evaporating salt device
- Object Type
- Patent Model
- Measurements
- overall: 3 1/2 in x 7 in x 12 in; 8.89 cm x 17.78 cm x 30.48 cm
- Associated Place
- United States: Massachusetts, Essex
- associated place
- United States: Massachusetts, Salem
- See more items in
- Work and Industry: Maritime
- Engineering, Building, and Architecture
- America on the Move
- National Museum of American History
- Subject
- Patent Models
- Record ID
- nmah_1316604
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746ab-f63e-704b-e053-15f76fa0b4fa
