Safety Thistle Funnel with Bend and Safety Bulb, 30cm, Borosilicate Glass Entomology & Zoology_Dissection this 4-inch catch bucket with

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

supplied in a protective case so spare leaves stay flat and undamaged until installation

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

Ceramic center on each 5 x 5-inch iron wire gauze square spreads Bunsen flame heat beneath beakers and flasks

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

Safety Thistle Funnel with Bend and Safety Bulb, 30cm, Borosilicate Glass Entomology & Zoology_Dissection this 4-inch catch bucket withSafety thistle funnel in borosilicate glass measures 30cm with bend and safety bulb for pressure release during controlled liquid addition.