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Dr. Boylan is working with the shaft furnace in the preparation of fused potassium magnesium phosphate for fertilizer.

Dr. Boylan is working with the shaft furnace in the preparation of fused potassium magnesium phosphate for fertilizer.

A researcher is examining the product as it leaves the Link-Belt Roto Louvre Dryer. This quick curing fertilizer dryer was used in sulphate fertilizer research in West Chemical Engineering Building.

A researcher is examining the product as it leaves the Link-Belt Roto Louvre Dryer. This quick curing fertilizer dryer was used in sulphate fertilizer research in West Chemical Engineering Building.

The researcher on the right is standing in front of the Link-Belt Roto Louvre Dryer used in sulphate fertilizer research in the West Chemical Engineering Building. The researcher on the left is standing in front of the control equipment taking notes.

The researcher on the right is standing in front of the Link-Belt Roto Louvre Dryer used in sulphate fertilizer research in the West Chemical Engineering Building. The researcher on the left is standing in front of the control equipment taking notes.