Optically Worked Double Convex Glass Lens, 75mm Diameter, 150mm Focal Length Physics_Force & Motion Blue anodized aluminum one-piece Dewar

Blue anodized aluminum one-piece Dewar vessel with a cork-lined lid carrying a stirrer aperture

the device can save the data to a computer via USB or WIFI

at plus-or-minus 10% tolerance for high-impedance work

this pack of premium qualitative filter paper offers medium-speed gravity filtration with a 10-micron pore size at 85 gsm weight

and tentacle structure for invertebrate teaching

Optically Worked Double Convex Glass Lens, 75mm Diameter, 150mm Focal Length Physics_Force & Motion Blue anodized aluminum one-piece DewarDouble convex glass lens at 75mm diameter and 150mm focal length, the f 2 geometry balancing convergence and throw for projection style real image formation in refraction setups.