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GUINEA & FEATHER APPARATUS

$ 37.20 excl. GST

Comprises a guinea & feather, a glass tube 1-metre long x 50mm o.d. with a solid rubber stopper at one end plus a 1-hole rubber stopper at the other end.

A piece of hose is attached to the rubber stopper for connecting to a vacuum pump to evacuate air from the glass tube.

A mohr clip (supplied) is used to seal the rubber tubing once air is evacuated.

In stock (can be backordered)

SKU: HE0176 Categories: ,

Description

Comprises a guinea & feather, a glass tube 1-metre long x 50mm o.d. with a solid rubber stopper at one end plus a 1-hole rubber stopper at the other end.

A piece of hose is attached to the rubber stopper for connecting to a vacuum pump to evacuate air from the glass tube.

A mohr clip (supplied) is used to seal the rubber tubing once air is evacuated.