US$ 1662.50
Double-concave glass lens at 3-inch diameter and 200mm diverging focal length
Includes kidneys
Triple tandem plastic pulley with 25/38/50mm ball-bearing wheels on an open-sided 17
Supplied as the seven most common classroom sizes
Research-grade oxygen spectrum tube at 26cm with a 10cm central capillary
Teacher Inorganic and Organic Chemistry Molecular Model Set, 101-Piece Subject_Biology Double-concave glass lens at 3-inch101 piece teacher grade molecular model set with 51 atoms and 50 bonds covering carbon, hydrogen, oxygen, nitrogen, halogens, sulphur, and phosphorus for organic chemistry work.
US$ 1662.50
US$ 247.50
US$ 197.50
US$ 159.00