Savart's Toothed Wheel Length_74mm Integrated tongue and dentition at

Integrated tongue and dentition at 2x life size supports combined teaching of oral cavity anatomy

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

Wood-handled collecting net pairs a sturdy grip with fine mesh netting for classroom field trips and introductory entomology collection work

the swivel joint between clamp and boss head permits flexible angular placement on rods up to 18mm

Savart's Toothed Wheel Length_74mm Integrated tongue and dentition atFour 7. 5cm toothed wheels spaced 6mm apart on a common shaft, producing distinct audible pitches at varying spin speeds to relate rotational frequency to perceived sound frequency.