Optically Worked Double Concave Glass Lens, 75mm Diameter, 300mm Focal Length, Alternate Model Item Type_Bone Cutter Sized for standard student use

Sized for standard student use

Acid-base neutralization kit provides materials for pH chemistry investigations

Right-angle cone to flexible tubing Rotaflow stopcock in borosilicate glass connects ground joint apparatus to rubber tubing with flow control

palisade and spongy mesophyll

and HVAC work

Optically Worked Double Concave Glass Lens, 75mm Diameter, 300mm Focal Length, Alternate Model Item Type_Bone Cutter Sized for standard student useAlternate model 75mm double concave glass lens at 300mm focal length, parallel build to the main line 300mm focal model with ground polished edges for replacement or backup inventory.