GUINEA and FEATHER APPARATUS
- 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 supplied Mohr clip is used to seal the rubber tubing once air is evacuated.
(Note: Photo is for reference. Product may vary.)