4-Metal Density Block Set (Aluminum, Brass, Copper, Steel), 1.25" Subcategory_Electricity and Circuits 75-inch height range for bench

75-inch height range for bench apparatus

Hand microtome produces thin specimen sections for microscope slide preparation in botany

Used to demonstrate rotational-to-linear motion conversion

exposing the triangular rotor's epitrochoidal motion with a lamp-lit ignition point

Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input

4-Metal Density Block Set (Aluminum, Brass, Copper, Steel), 1.25" Subcategory_Electricity and Circuits 75-inch height range for benchAluminum, brass, copper, and steel cubes machined to the same 1. 25 inch edge, letting students compare four densities by mass alone while the volume is held constant across the set.