Class A Volumetric Flask with Beaded Rim, 500mL, Borosilicate Glass Capacity_10mL Plug-to-clip 12-inch red insulated lead

Plug-to-clip 12-inch red insulated lead with a 4mm banana plug at one end and an alligator clip at the other

providing a standard method for cumulative rainfall measurement

and marble for hands-on texture

Hand-driven Newton's color disc that spins seven painted segments fast enough to merge into apparent white through persistence-of-vision and additive color mixing

75-inch analog-to-digital converter samples and quantizes a continuous input into a binary digital output for student visualization

Class A Volumetric Flask with Beaded Rim, 500mL, Borosilicate Glass Capacity_10mL Plug-to-clip 12-inch red insulated leadClass A volumetric flask in borosilicate glass holds 500mL with beaded rim for precision volumetric measurement and laboratory procedures.