?€œOn the Specific Gravities of Niobium and Tantalum Pentoxides?€ (1909) explores the determination of specific gravities of niobium and tantalum pentoxides by Maurice Allison Lamme. This scientific study details the experimental methods and results obtained in analyzing these compounds. Lamme's work contributes to the field of physical chemistry, providing valuable data for understanding the properties of these elements and their compounds.T