He engraved about fifty plates, according to the usual reckoning; some thirty of them are mostly accounted indisputable - often large, full of figures, and highly studied.
This disparity is partly accounted for by the facts that large spaces, notably in the Chinese city, are not built over, and that the grounds surrounding the imperial palace, private residences and temples are very extensive.
How is the existence of this ideal whole to be accounted for?
Mache thinks that the ionization observed in the atmosphere may be wholly accounted for by the radioactive emanation.
In the United Kingdom the employment of brewery yeasts selected from a single cell has not come into general use; it may probably be accounted for in a great measure by conservatism and the wrong application of Hansen's theories.