For the mechanical fastening and reliable high-voltage electrical contact of an LD demonstration tube (555 610, 555 612, 555 614, 555 620, 555 622, 555 624, 555 626), with electrical circuit for self focusing electron gun.

Metallic base plate for the variable magnetic mounting of a pair of Helmholtz coils (555 604), with imprinted scale for simple setup in Helmholtz geometry.

Technical Data

Connections: five 4 mm safety sockets

Dimensions: 16 cm x 35 cm x 30 cm

Weight: 2.3 kg

New no factory box.

Retail $925