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Filtration Tanks & Chemical Laboratory
Tanks for Filtration Experiments:
1891-1892
These tanks, inside the long narrow building of the Station, were used to conduct sewage treatment and water purification experiments. The tanks were filled with sands, gravels, and other soils from various locations in the state; the suitability of each material for water and sewage treatment was evaluated.
Chemical Laboratory: 1905
Showing a fume hood with water bath and digestion racks for nitrogen determination. The Akron pipe set up on the bench at right probably was used for parallel studies connected with sewage treatment. Gas sampling burettes and equipment for percolation studies are shown at extreme right.
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from the commissioner
contacts, location & organization
