Reading Magnifier, 60mm, 10cm Focal Length, Alternate Model Capacity_3000mL 1000ML CAPACITY || Beaker has

1000ML CAPACITY || Beaker has a 1000mL capacity and features white printed graduation lines every 100mL

the second universal-logic gate that complements the NAND for any digital-circuit construction

dropping into the demonstration meter as a 0-1A AC ammeter for transformer and household-current measurements

a 75mm-aperture convex glass mirror at 75mm focal length and ~2

viewable between clear plates so students watch sprocket teeth grip and transfer torque under load

Reading Magnifier, 60mm, 10cm Focal Length, Alternate Model Capacity_3000mL 1000ML CAPACITY || Beaker hasDrops the focal length to 10cm on a 60mm aperture in alternate model framing, the shorter focus delivering more magnification at the cost of field of view.