Weight: 1.15 lbs
Condition: Acceptable - The item is used and may have obvious or significant wear but is still operational. The packaging may have creases, tears or small holes. See Details section and photos for specifics on item condition.
Science and Invention Magazine (Volume 13, Number 3, July 1925) The Isolator.
The item is in good condition with bends, creases, small tears and edge wear. See photos for details.
Publication: Science and Invention