Showing 1 - 2 results of 2 for search 'Langworthy, Virgil W.', query time: 0.02s Refine Results
  1. 1
    Use of alum-activated silica as a coagulant aid /

    Use of alum-activated silica as a coagulant aid / by 270795 Langworthy, Virgil W.

  2. 2
    Industry solutions '75 : air-water-noise-solid waste/

    Industry solutions '75 : air-water-noise-solid waste/ by Langworthy, Virgil W., Water and Wastewater Equipment Manufacturers Association, Pollution Control Conference of the Water and wastewater Equipment Manufacturees Association (3rd : 1975)

    Published 1975

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