Kund,s tube deluxe pattern

RSP-65  KUND’S TUBE DELUXE PATTERN   1750.00

A glass tube 100cm long and 3.8cm in diameter is mounted on a Y on a metal base. A rod about 60 cm long is held firmly at its mid points in a sturdy clamp at one end of the base. One end of the rod as a metal disc attached to it and projects into the glass tube. The other end of the tube is closed by a close fitting piston mounted on the base such that is position in the tube is adjustable through 20 cm app. The Y supporting  the tube may be adjusted vertically and laterally until the metal disc will not touch the glass. Coiled spring attached to the Y  holds th glass tube in position