1641B BURETTE with rubber tubing connection, glass bead and glass tip , B grade 1641A BURETTE with rubber tubing connection, glass bead and glass tip, A grade 1642B BURETTE with straight stopcock, B grade 1642A BURETTE with straight stopcock, A grade 8642A BURETTE with PTFE stopcock, A grade 8642AB BURETTE with PTFE stopcock, A grade, amber glass 1644B BURETTE with blue line on milk white back, rubber tubing connection, glass bead and glass tip, B grade 1644A BURETTE with blue line on milk white back, rubber tubing connection, glass bead and glass tip, A grade 1645B BURETTE with blue line on milk white back, straight stopcock,Schellbach,B grade 1645A BURETTE with blue line on milk white back, straight stopcock,Schellbach, A grade 1647B BURETTE , with rubber tubing connection, glass bead and glass tip,B grade 1647A BURETTE , with rubber tubing connection, glass bead and glass tip, A grade 1648B BURETTE amber glass,with straight stopcock, B grade 1648A BURETTE amber glass,with straight stopcock, A grade 1651 AUTOMATIC BURETTE Pellet with reservoir, rubber stopper and pressure bulb 1652 AUTOMATIC BURETTE Squuibb with ground - in glass stopper and pressure bulb 1653 AUTOMATIC BURETTE Squuibb with reservoir, ground - in glass stopper and pressure bulb 1654 AUTOMATIC BURETTE amber glass with ground - in glass stopper and pressure bulb 1655 AUTOMATIC BURETTE with ground - in glass reservoir and pressure bulb 1657 AUTOMATIC BURETTE blue line on milk white back with ground - in glass stopper and pressure bulb 1658 AUTOMATIC BURETTE amber glass with ground - in glass stopper and pressure bulb 1661B MICRO BURETTE with wooden base 1661A MICRO BURETTE with wooden base 1663B MICRO BURETTE with side filling tube 1663A MICRO BURETTE with side filling tube, Fisher High quality with very competitive prices, welcome for the inquiry.