Tube holder to support all S series (student) electron tubes for easy and safe operation. The five pin sockets for the tube are concealed inside the tube holder. A cathode protection switch is integrated into the tube holder, to protect the heated cathode from excessive voltage.
Sterile in Rigid Plastic Tray 6 ply, 1 roll/tray. 4.5inches X 4.1 Yds. Made of prewashed, fluff-dried 100% woven gauze with unique crinkle-weave pattern for loft and bulk to cushion and protect wound areas. Six-ply construction with finished edges reduces loose ends and lint.
Sonometer Wire, 1.3lbs, 9.8x6.7x6.3inch, Set of six wires, brass and steel, length 1.5 m, Set of six wires, brass and steel, length 1.5 m of 22, 24, 26 SWG. Ends looped ready for use.