SciEd Mohs Hardness Scale efficient method to solder and

efficient method to solder and desolder surface mount devices - this standalone model plugs into your wall outlet

EASY INSTALLATION: Includes illustrated instruction manual for installation

Max overload voltage: 200V

Lens diameter: 21mm

This ultra-trim

SciEd Mohs Hardness Scale efficient method to solder andMoh's Hardness Scale was developed nearly 200 years ago by Friedrich Mohs and is used to classify minerals by hardness on a scale of 1 to 10. With the materials included, your students will have everything they need to determine and study the hardness of minerals. Featured are card mounted mineral specimens representing hardness for scales 1 through 9 that can be used as reference when testing unknown samples. Also included are additional activities