US$ 40.00
supporting reproductive cell biology teaching
Universal laboratory clamp holder with dual 360-degree boss head rotation
Nine removable sections expose cortical hemispheres
Wooden fulcrum-balance simple-machine model with a sliding pivot
±2.5mA DC Interchangeable Dial for Demonstration Meter Glass Sets & Apparatus_Organic Chemistry Sets supporting reproductive cell biology teachingPlus or minus 2. 5mA DC interchangeable scale on a 315x115mm laminated panel with integrated shunt, sized to drop into the demonstration meter and reconfigure it as a center zero ammeter.