![TurboCo Trautman Art Glass](http://www.kindtray.com/cdn/shop/products/BRod-Turboco-2T_4caf51c3-986b-4c3a-9c1f-065ae494b45e_large.jpg?v=1605564477)
TurboCo Trautman Art Glass
TurboCo is a highly saturated cobalt blue. Use thick as a substitute for black, or thinner as a dark blue. Work TurboCo in an oxidizing atmosphere; reducing may cause gray streaks. Note in the first image that the only reason you can see blue is because the curl is being held very close to a halogen bulb for this picture.
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