FILTRATION AT COLUMBUS.
George W. Fuller, of New York, the consulting engineer employed by the city of Columbus, Ohio, after consultation with City Engineer Griggs regarding the plans for the filtration plant, announced that the plans would be ready to submit to the State board of health during the coming winter, so that the contracts could he let by next March. He thought that the plant would be in working order and the people getting filtered and softened water within two years from next spring. He recommends the mechanical system, as used at present at Little Falls, N. J. He also recommends the employment by the city of additional expert resident engineers to take charge of the filtration and sewage disposal plants.