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

Mid-current 6V/12V regulated AC/DC bench supply at 5A with overload and short-circuit protection

a 75mm-aperture double-concave glass lens at 100mm focal length spreads light through optically worked surfaces and ground polished edges

and image-formation experiments

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

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.