Hexagonal Hollow Stopper with Flat Bottom, 10/19, Borosilicate Glass Subcategory_Brushes this six-lens glass set covers

this six-lens glass set covers double convex

Vertical recovery bend in borosilicate glass features 14/23 cone sizes for distillation collection and redirecting flow between apparatus

and trapezoidal blocks - packaged together as a spare set for the rotatable optical disc

Medium-size 5-inch pulley on a universal clamp accepting a variety of support surfaces

Insulated 10

Hexagonal Hollow Stopper with Flat Bottom, 10/19, Borosilicate Glass Subcategory_Brushes this six-lens glass set coversHexagonal hollow stopper in borosilicate 3. 3 glass features 10 19 cone with flat bottom for sealing ground joint vessels and chemistry apparatus.