Stokes Tube "PSAW" 50 ml. Graduated with stopper

Stokes Tube "PSAW" 50 ml. Graduated with stopper (322 )

Wall Thermometer "PSAW" To show room temperature with scale in 0C and 0F on wooden board	Filter Pump Edward Type "PSAW" Heavy pattern, brass	Slides
Wet and Dry Thermometer "PSAW" With metal plate and cover zeal type	Filter Apparatus"PSAW" Complete with Filter flask with socket and buchner funnel wit sintered disc porosity G-1 or G-2 or G-3 or G-4 having cone	Maximum and Minimum Thermometers "PSAW" With metal plate and cover zeal type