Sentence Examples with the word Dyna

Even then, however, the liquid nature of the substance, though advantageous in one or two directions, constituted a serious obstacle to its safe transport and storage and to its efficient employment; it was therefore not until Nobel produced plastic solid preparations by mixing the liquid with porous substances, such as gunpowder, or carbon and sulphur, and finally kieselguhr in a fine state of division, capable of absorbing and retaining considerable quantities of it, that it could be employed as a blasting agent (see Explosives, Dyna Mite, Cordite).

Sumpner, however, has devised forms of wattmeter of the dyna - mometer type in which iron cores are employed, and has defined the conditions under which these instruments are available for accurate measurements.