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.
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.
2.0 Kiwi With steam Sign, cart can easily support hundreds of kids, Each cart includes a pallet of replacement supplies (over 15,000 components in total, and sturdy tools to create almost any project, sign is dry erase, NGSS Aligned, Grades K-12, working in groups of 2-3
Tube holder made of robust plastic for holding D-series electron tubes. Stand has a wishbone, 360deg rotating clamp made of heat-resistant plastic. On rubber feet to prevent slipping. Dimensions: approx. 230x175x320 mm3 Weight: approx. 1.5 kg