erc:
who: Morris, Joseph R.
what: Improvement in Gas-Furnaces and Forges.
when: 18711107
where: https://texashistory.unt.edu/ark:/67531/metapth165304/
erc-support:
who: University of North Texas Libraries
what: Permanent: Stable Content:
when: 20081203
where: https://texashistory.unt.edu/ark:/67531/