±2.5mA DC Interchangeable Dial for Demonstration Meter Glass Sets & Apparatus_Organic Chemistry Sets this magnified animal cell model

this magnified animal cell model reveals organelle ultrastructure and cellular organization for advanced biology instruction

0V max for whole-class hands-on work

Life-size right lung separates into two parts exposing bronchial tree and alveolar structure

using wide-pad threaded metal screws for secure fastening

supporting reproductive cell biology teaching

±2.5mA DC Interchangeable Dial for Demonstration Meter Glass Sets & Apparatus_Organic Chemistry Sets this magnified animal cell modelPlus 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.