The Pneumostat was a very early compressor nebuliser manufactured by Weil in Frankfurt in the early 1930’s.  With a view to being used anywhere, the electrical supply passed through a rheostat and was capable of being used from 110v to 240v.  It was supplied in a neat carrying case.  The Pneumostat was used to deliver doses of Bronchovydrin (papaverin and eumydrine). In UK it was supplied by Riddell.

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