LABORATORY SUPPLIES AND CHEMICALS 



325 



5082 



5084 



5086 



5082 FILTERS, Pukal's, of porous Porcelain Clay, for filtering solutions from the 

 outide to inside of flasks by means of filter pump. 



Capacity, cc 50 140 150 1000 



Each $0.75 1.00 1.75 3.00 



5084 FILTER Funnel, Maasen's, of porcelain, with stationary porous filter plate. 



Diameter, mm 70 110 165 



Each $1-50 2.50 4.00 



5086 FILTER, Berkefeld Laboratory; neatly nickel-plated and designed to be 

 screwed to any regular J^-inch hose bib faucet. A two-way cock may 

 be used, which enables either filtered or unfiltered water to be drawn 

 without removing the filter. Length, 6 inches; diameter, 2^4 inches. .$4.50 



5088 Cylinder for renewal for No. 5086 1.75 



5090 5092 



5094 



5096 



5098 



5090 FILTERS, Bougie-Pasteur-Chamberland, of porous clay with glazed rim, 



20 cm. long, 25 mm. diameter $1.25 



5092 FILTERS, Bougie, as above, with glazed rim and nipple; 25 cm. long, 25 



mm. diameter 1.25 



5094 FILTERS, Bougie, as above, pencil form, with small bore, 15 cm. long, 10 



mm. diameter 30 



5096 FILTER APPARATUS, Meucke's, for filtering fluids under pressure, con- 

 sisting of glass vessel with side tubes and filter bougie, complete.... 4.75 



Extra glas<= parts 2.50 



Extra filter bougie 2.25 



5098 FILTER APPARATUS, Witt's, with ground joints, jar G^ inches high and 



4^ inch inside diameter, complete 6.50 



