Safety Thistle Funnel with Bend and Safety Bulb, 30cm, Borosilicate Glass Entomology & Zoology_Dissection and resonance through a 6V

and resonance through a 6V motor driving cams and spring actuators across four springs and two hanging masses on a 19-inch frame

the longer focal value softening divergence and producing a wider apparent field through reduced virtual reflections

diverting a calibrated portion of bench-supply current around the meter coil so the galvanometer reads heavier loads safely

Six replacement gold leaves cut to fit the standard gold-leaf electroscope

this 4-inch catch bucket with handle collects water displaced by submerged objects

Safety Thistle Funnel with Bend and Safety Bulb, 30cm, Borosilicate Glass Entomology & Zoology_Dissection and resonance through a 6VSafety thistle funnel in borosilicate glass measures 30cm with bend and safety bulb for pressure release during controlled liquid addition.