Copper Specific Gravity Cylinder with Hook Category_Lab Equipment Trapezoidal acrylic prism with 89mm

Trapezoidal acrylic prism with 89mm and 40mm parallel bases plus 47mm and 35mm angled faces

supporting both additive and subtractive color demonstrations in optical box setups

a battery-free source of partial vacuum for bell-jar demonstrations without external power

Square-section aluminum tube 1 meter long with side graduations and four sliding riders

and protein separation across three selectable ranges (0-50V

Copper Specific Gravity Cylinder with Hook Category_Lab Equipment Trapezoidal acrylic prism with 89mmCopper 2 by 0. 5 inch specific gravity cylinder with a top hook for density and specific heat work, a distinctive density reference against the lighter aluminum and heavier steel cylinders.