American Educational Ear Model Activity Set The 3 way ratcheting direction

The 3 way ratcheting direction switch allows you to pick between tightening

A rating of 300VA means that at 100volt

It provides 20 types of wave parameters for automatically measuring

Perfect setup for any lab or classroom

Weight: 10

American Educational Ear Model Activity Set The 3 way ratcheting directionSet includes 18" height by 24" width model and comprehensive activity guide A unique three dimensional model of the complete human ear incorporates a removable eardrum, semicircular canals, and cochlea These magnified structures facilitate hands on learning They are correlated to a full color overhead transparency with overlay For grades 3 to 12 and ages 8 to 18 years A unique three dimensional model of the complete human ear incorporates a removable