Metal Stand for Magnetic Needle, 4.5" Tall Human Anatomy_Human Skeletons & Bones Wooden handle supports a 12-inch

Wooden handle supports a 12-inch bristle cleaning brush for scrubbing general glassware

4 inches and mount on a swivel boss head accepting rods up to 18mm

and chamber walls at a scale visible for group demonstrations

promoting airflow through glassware and plasticware during post-wash drying on the bench

this classroom Van de Graaff kit demonstrates charge conservation

Metal Stand for Magnetic Needle, 4.5" Tall Human Anatomy_Human Skeletons & Bones Wooden handle supports a 12-inchNon magnetic metal pillar topped with a carbon steel point on a 2. 25 inch base raises a magnetic needle to a 4. 5 inch height for free spinning compass and magnetometer demonstrations.