William H. Waggaman

• Analysis of experimental work with ground raw rock phosphate as a fertilizer
• Investigations of the manufacture of phosphoric acid by the volatilization process
• Phosphate rock and methods proposed for its utilization as a fertilizer
• The production of sulphuric acid and a proposed new method of manufacture
• The recovery of potash from alunite
• Phosphoric acid, phosphates and phosphatic fertilizers
• The manufacture of acid phosphate
• The production and fertilizer value of citric-soluble phosphoric acid and potash