Optically Worked Double Concave Glass Lens, 50mm Diameter Focal Length:150mm Baffled bottom and vented closure

Baffled bottom and vented closure on this 500mL sterile PETG Erlenmeyer flask drive aeration during shaker-based cell culture workflows

Cupric Acetate

Teclu burner runs on liquid propane with needle valve flame adjustment to produce a high-temperature

Hexagonal hollow stopper in heavy-duty borosilicate glass features 14/23 cone with flat end for sealing ground joint vessels and apparatus

Maximum voltage on any input: 24 V

Optically Worked Double Concave Glass Lens, 50mm Diameter Focal Length:150mm Baffled bottom and vented closureSpherical optically worked glass lens with ground edges demonstrates how diverging lenses always produce smaller virtual upright images for ray tracing exercises.