Turn of the Century Electrotherapy Museum (electrotherapymuseum.org), 2026-10-08 (Investigator, STEP I)

Site: https://electrotherapymuseum.org/Library/TouseyMedicalElectricity/ (saved with curl: research/pages/etm-tousey.html); a CatalogIt HUB entry was seen in Google results only. Query (Google): Tousey electrotherapy museum Behary OR "Tousey tube" OR "Tousey coil" Result: partial.

• Jeff Behary's museum hosts a chapter-by-chapter online copy of Medical Electricity, Röntgen Rays, and Radium (page dated 7/18/2004), tagged "Electrotherapy, Rontgen Rays, Roentgen Rays, Tesla Coils, Radium". In 2021 it uploaded a second-edition scan to Internet Archive (see that note). Its CatalogIt HUB lists a second-edition copy (accession 2026.205) and folders of "Vacuum Discharge Lamp Literature" and "X-Rays, Radium, and Radioactive Literature". [web] https://hub.catalogit.app (snippet)
• Bearing: a collector and demonstrator of period high-frequency and x-ray apparatus. It is a possible source of surviving Tousey-type tubes or apparatus (priority 2: physical evidence). Not reached: whether the museum holds a Tousey tube or interrupter.
• Two Towers Instruments (violet-ray documentation) says books "from authors such as Eberhart or Tousey depict" period electrodes. [web] https://www.twotowers.com/documentation (snippet)