Optically Worked Double Convex Glass Lens, 75mm Diameter, 300mm Focal Length, Alternate Model Capacity_125mL Pack of 50 solid rubber

Pack of 50 solid rubber stoppers in assorted sizes provides acid and alkali resistance for comprehensive laboratory vessel sealing applications

suited to transferring crucibles around open-flame chemistry work

Autoclavable polypropylene draining basket measuring 40 by 40 by 11 cm

and brass strips radiating to the rim

inches of mercury

Optically Worked Double Convex Glass Lens, 75mm Diameter, 300mm Focal Length, Alternate Model Capacity_125mL Pack of 50 solid rubberAlternate model 75mm double convex glass lens at 300mm focal length, the optically worked surfaces and ground polished edges parallel to the main line 300mm focal lens for backup stock use.