US$ 108.80
25-inch Atwood machine with two 2-inch blue-plastic pulleys on an aluminum rod
and a dial gauge readout
Ten-pack of 14-inch insulated crocodile leads with a clip on each end
3 glass holds 10mL with blue graduations and PTFE key stopcock for titration procedures
Used to introduce photoconductivity and light-controlled circuits
Advanced Direct Vision Spectroscope in Wood Case Lab Supplies_Lab Supply Sets 25-inch Atwood machine with twoAdjustable slit, draw out focusing, and a 3 element prism stack mounted in a wooden carrying case provide rapid spectral examination of light sources.
US$ 108.80
US$ 23.00
US$ 17.54