US$ 101.64
Educational variant of the 4
Holds 50mm-diameter lenses upright on a free-standing wooden base
and 0-300V on a single inclined-face instrument
Hundred-milliamp DC scale on a 315x115mm laminated panel with sealed shunt
8mm rod attachment and a centered 50mm aperture together hold a lens square against an optical-bench rail for repeatable refraction
Class B Beaded Rim Volumetric Flask, 25mL, Single Graduation, Borosilicate Glass Lab Equipment_Lab Burners Educational variant of the 4Class B volumetric flask in borosilicate 3. 3 glass holds 25mL with beaded rim and single graduation for general purpose volumetric measurement.
US$ 101.64
US$ 17.95
US$ 17.95