US$ 105.53
and 500mm focal lengths for comparing converging and diverging behaviors
Used as the positive-rail counterpart to the long black lead
armature winding
providing dense uniform spheres for ramp-and-collision experiments where a heavier projectile is needed than the plastic marbles can provide
127-Piece Inorganic Molecular Model Kit with Storage Case Subcategory_Wave Motion and 500mm focal lengths forHundred twenty seven piece molecular model kit for inorganic chemistry with single and double covalent bonds, long flexible links, short links, a removal tool, and a 9. 25 inch storage case.
US$ 105.53
US$ 192.00
US$ 19.99
US$ 99.00
US$ 192.00
US$ 195.30