His chief books on chemistry were six volumes of Experiments and Observations on different Kinds of Air, published between 1774 and 1786; Experiments on the Generation of Air from Water (1793) Experiments and Observations relating to the Analysis of Atmospheric Air, and Considerations on the Doctrine of Phlogiston established and that of the Composition of Water refuted (1800).
But this theory was signally refuted by F.
The view, often repeated, that the saccharum of the ancients is the hydrate of silica, sometimes found in bamboos and known in Arabian medicine as tabashir, is refuted by Yule, Anglo-Indian Glossary, p. 654; see also Not.
The suspicion of some earlier scholars that the Praefatio and the Versus might be a modern forgery is refuted by the occurrence of the word vitteas, which is the Old Saxon fittea, corresponding to the Old English fitt, which means a "canto" of a poem.
In its earlier form this opinion rested chiefly on certain misinterpreted testimonies in Greek authors about a god 'Iaco, and was conclusively refuted by Baudissin; recent adherents of the theory build more largely on the occurrence in various parts of this territory of proper names of persons ' See Hebrew Religion.