...This is manganese dioxide, the master tells us... 
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
...If the bromide be treated with amixture of sulphuric acid, and peroxide of manganese, bromide is onlydisengaged...
Samuel D. Humphrey 「American Handbook of the Daguerrotype」
...—The Swedish chemist, Scheele, in 1774, while examining theaction of hydrochloric acid on peroxide of manganese, first noticed thiselement...
Samuel D. Humphrey 「American Handbook of the Daguerrotype」
...Heated with a mixture of peroxide of manganese and sulphuric acid,chlorine is given off, which is easily recognized by its odor and otherphysical properties...
Samuel D. Humphrey 「American Handbook of the Daguerrotype」
...The hornblendic cement, with its iron or manganese base, produces thevariegated appearance which may be seen in specimens from differentlocalities...
Hugh Macmillan 「Roman Mosaics」
...Through his researches the inventions of clocks, lenses, andthe formula for extracting phosphorus, manganese, and bismuth werebrought to light...
Dr. D.M. Brooks 「The Necessity of Atheism」
...It is, however, to benoted that calcium and one other element are also invariably present,while iron, manganese and magnesium are often apparent...
Robert Stawell Ball 「The Story of the Heavens」
...Milky quartz was scattered over them, although no similarformation was visible; of manganese, basalt, and ironstone, with othersubstances, there were now no indications...
Charles Sturt 「Expedition into Central Australia」
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