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Hofmann's apparatus for decomposing phosphuretted hydrogen (U tube with stopcock and holders for electrodes on stand).
Hofmann's apparatus for decomposing phosphuretted hydrogen (U tube with stopcock and holders for electrodes on stand). Part 1 is the metal stand.
Hofmann's apparatus for decomposing phosphuretted hydrogen (U tube with stopcock and holders for electrodes on stand). Part 2 is the double glass beaker.
