Flat Head Solid Cone Stopper, 19/26, Borosilicate Glass Glass Flasks_Volumetric Flasks Built for heat and abrasion

Built for heat and abrasion resistance

the f/3 curvature stretching the focal throw for demos that need the focal point set comfortably beyond the mirror face

supplied in five colors at two leads per color so paired wiring stays color-coded across both sides of a circuit

this Hall's car supports dynamics work on inclined planes with weights and pulleys

and engraved index line for reference alignment

Flat Head Solid Cone Stopper, 19/26, Borosilicate Glass Glass Flasks_Volumetric Flasks Built for heat and abrasionFlat head solid cone stopper in borosilicate glass features 19 26 cone for sealing ground joint vessels and chemistry apparatus.