ASTM Low Form Borosilicate Glass Beaker with Dual Scale, 6-Pack Human Anatomy_Human Anatomy Charts & Models featuring a 20cm terrestrial globe

featuring a 20cm terrestrial globe with political boundaries and a graduated plastic meridian arc for map-reading work

27mm diameter

and pyloric regions with internal rugae

the f/4 geometry pushing focal point well downrange for projection-style image-formation demos

Beaded rim reinforces large-volume Florence flask against chipping during stoppering

ASTM Low Form Borosilicate Glass Beaker with Dual Scale, 6-Pack Human Anatomy_Human Anatomy Charts & Models featuring a 20cm terrestrial globeASTM compliant dual scale graduation (both fill and empty readings) distributed as a six pack for parallel student bench volumetric measurement.