Diffraction Grating Slides, 500lines/mm, Highly efficient embossed Holographic Optical Elements, For the direct viewing and analysis of spectra from different gas tubes and other light sources, Use in conjunction with colored film gels, Dimension: 2x2in
Enlarged. Sectioned so that both ventricles and atria open to expose the valves. Large blood vessels near the heart and musculature of the heart are shown. Separates into 7 parts.
Science Plant Cell Model 4D, 6in model contains 24 detachable, hand-painted parts and a display stand, Transparent outside for seeing internal structures and super detailed parts, Also includes illustrated assembly guide, description of the anatomy, For ages 8 Plus
Specimen container, Material: Polypropylene, Cap: Polyethylene, Red screw cap, Non Sterile, Urine collection container is ideal for use in physicians offices and hospital settings, Ffrosted writing area, Cap: 61mm O.D, Dimension: 56.8x72.5mm, Size: 4oz