Optical Glass Plate Beam Splitter, BK-7 Glass, 12.70mm Diameter, 1mm Thick, 50:50 Transmission Reflection, for Scientific Instruments (Diameter 12.70mm)
KWD 8
Improved Neubauer Hemocytometer, Optical Glass Counting Chamber, 0.1mm Depth, for RBC, WBC & Lab Use
KWD 8.500
Optical Glass bk-7 Right Angle Prism, Precision Optics
KWD 3
Beam Splitter Cube, Optical Glass Prism, 50:50 Ratio, Scientific Spectrometer (10mm)
KWD 0