4-Piece Premium Borosilicate 3.3 Glass Laboratory Flask and Beaker Shot Glass Set Subcategory_Entomology Supplies this bottle of coarse 20-mesh

this bottle of coarse 20-mesh iron filings is a staple for classroom magnetism and field-pattern demonstrations

Hand-cranked pulley steps up to a smaller dynamo pulley through a rubber belt

01 mm resolution

Mid-length 750mm black insulated lead with 4mm banana plugs at both ends

and three cast iron support rings for ring-stand assemblies

4-Piece Premium Borosilicate 3.3 Glass Laboratory Flask and Beaker Shot Glass Set Subcategory_Entomology Supplies this bottle of coarse 20-meshBuilt for chemistry themed entertaining, this 4 piece borosilicate 3. 3 glass set combines flask shape and beaker shape shot glasses in one laboratory quality collection.