Test Tube with Side Arm, 125 x 16mm, Borosilicate Glass Entomology & Zoology_Entomology Supplies Glass semicircular block at 100

Glass semicircular block at 100 by 18mm

showing how current through an iron core builds magnetic flux in student investigations

Decade capacitance box stepping 10nF to 100nF in 10nF increments at plus-or-minus 5% on 63V

Permanent-magnet stack inside an 8 x 5 inch base recharges weakened bar and horseshoe magnets by realigning their domains - no electrical power

and burettes up to 4

Test Tube with Side Arm, 125 x 16mm, Borosilicate Glass Entomology & Zoology_Entomology Supplies Glass semicircular block at 100Test tube with side arm in borosilicate glass measures 125 x 16mm for gas collection, distillation, and vacuum filtration applications.