Bottles B.O.D. with Interchangeable Stopper "PSAW"

Bottles B.O.D. with Interchangeable Stopper "PSAW" (509 )

Chromatography Sprayer "PSAW" with rubber bellow	Filtering Apparatus "PSAW" For bacteriological use consisting of a sintered buchner funnel capacity 80 ml., Porosity G-5 with inverted B 29 ground joint and an erlenmeyer flask ground to fit of capaci	Micro Kjeldhal Nitrogen Distillation Apparatus (Pregal's)
Buchner Funnel	Burettes Automatic Zero, Mounted on Reservoir with PTFE (Teflon) Key Stopcock, Rubber Bellow	Soxhlet Extraction Apparatus "PSAW " Consisting of R.B. Flask Globular type Extractor and double surface condenser.