. "Roentgen" induction coils and other X-ray apparatus . Figure Diameter of Bulb, 6 $ Water Cooled Regulating Tube,. Figure Diameter of Bulb, 6 $ 38 James Q. Biddle, 1114 Chestnut Street, Philadelphia. Queen Regulating Tube.

---

Size: 1903px × 1314px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorjamesgbi, bookcentury1900, bookdecade1900, bookyear1904