Aluminum Plotting Compass, 2" Diameter Base_Octagonal 75-inch analog-to-digital converter samples and

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

letting students vary the moment arm distances on either side and find the balance point for any combination of masses

this Melde's vibrating string apparatus pairs an oscillator-driven string with a mass tray that adjusts tension to determine wavelength

Pink dots mark opposing poles on this 37 x 9mm Alnico cylinder pair

Greatly magnified transverse dicot stem model on a mounted base exposes vascular bundle arrangement and primary tissue layers for advanced botany teaching

Aluminum Plotting Compass, 2" Diameter Base_Octagonal 75-inch analog-to-digital converter samples andGlass faced plotting compass in an aluminum case with a dial marked in principal points, used to map field lines around bar magnets and solenoids.