Right-Angled Acrylic Prism, 74mm Length, 50mm Hypotenuse Subcategory_Reflection and Refraction Manually-operated seismograph model that traces

Manually-operated seismograph model that traces shock waves onto a pulled paper strip

Continuously variable 100V-5kV output shown on a 0-5kV digital voltmeter

supporting reproductive cell biology teaching

Universal smartphone desk stand accommodates iPhone

Greatly enlarged inner ear model exposes bony and membranous labyrinth alongside a sectioned cochlea for vestibular and auditory anatomy teaching

Right-Angled Acrylic Prism, 74mm Length, 50mm Hypotenuse Subcategory_Reflection and Refraction Manually-operated seismograph model that tracesPairs 74mm of length with a 50mm hypotenuse on a polished acrylic right angled prism, the 90 45 45 degree faces redirecting wider beams for total internal reflection and image inversion work.