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NF Patent: NF-32
Improvement in preservation of articles for food, by submitting them to an aqueous solution of sulphuric acid
Patentee:
James Dewar (exact or similar names) - Kirkcaldy, Scotland

USPTO Classifications:

Tool Categories:
household : food preservation apparatus

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: May 08, 1868

Patent Pictures:
Report data errors or omissions to steward Jeff Joslin
An 1870 article on Dewar's work with sulphur as a disinfectant
1869 paper by Dewar on "Reactions of chlorosulphuric acid"
Description:
The famous chemist James Dewar is known to have been experimenting with sulphur, sulphuric acid and chlorosulphuric acid at the time this patent was granted.

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