erc: who: Scherrer, August what: Design for a Frame for Spools or Reels. when: 18980208 where: https://texashistory.unt.edu/ark:/67531/metapth510144/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://texashistory.unt.edu/ark:/67531/