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

and image-formation experiments

Chrome-plated four-prong retort clamp with cork-coated prongs and a jaw capacity up to 4 inches

Graduated white screen mounted for use on the optical bench

sized to read mid-stack battery voltages between the 5V and 15V meters in the line

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.