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.