Glass Water Still Material_Polyethylene Nickel-plated T-pins provide secure specimen

Nickel-plated T-pins provide secure specimen pinning with broad heads for stable dissection board mounting in biology laboratories

levitating above one another when oriented with like poles facing

Heavy-duty spring-loaded three-finger jaw with dual-screw fine adjustment mounts on a swivel boss head accepting 18mm rods

Graduated white screen mounted for use on the optical bench

Pairs a 75 by 50mm face with a thicker 18mm body on a rectangular glass refraction block

Glass Water Still Material_Polyethylene Nickel-plated T-pins provide secure specimenAll glass water still producing distilled water for laboratory use through a contamination free path that eliminates metallic leaching from internal surfaces.