"Chemical operations" Quotes from Famous Books
 ... was furnished no differently from the others, but to the various instruments for chemical operations on a large scale were added all manner of electrical appliances. Several books were lying about, and one had been left open face downwards on the edge of a table. But what immediately attracted their attention was a row of those large glass vessels like that which they ...
— The Magician • Somerset Maugham
... begins to breathe: another habit, and not even a necessary one, as the object of breathing can be achieved in other ways, as by deep sea fishes. He circulates his blood by pumping it with his heart. He demands a meal, and proceeds at once to perform the most elaborate chemical operations on the food he swallows. He manufactures teeth; discards them; and replaces them with fresh ones. Compared to these habitual feats, walking, standing upright, and bicycling are the merest trifles; yet it is only by going through the wanting, trying process that he can stand, walk, or ...
— Back to Methuselah • George Bernard Shaw
... painter, and a modeller in wax. The lectures are open to the public as well as to the students, who are said to exceed a thousand. Besides this part of instruction, the pupils practise anatomical, chirurgical, and chemical operations. To the number of one hundred and twenty, they form a practical school, divided into three classes, and are successively distributed into three of the clinical hospitals in Paris. At an annual competition, prizes are awarded to the ...
— Paris As It Was and As It Is • Francis W. Blagdon
... only supplies light, but heat of great intensity which the electrical engineer as well as the pure scientist has found so valuable for many practical operations. It is of course obvious that for most chemical operations, and especially in the field of metallurgy, heat is required for the separation of combinations of various elements, for their purification, as well as for the combination with other elements into alloys or compounds of direct utility. The usual method of generating ...
— The Story Of Electricity • John Munro
... desirable to find methods by which these metals can be recovered from the spent liquors. The processes hitherto adopted generally necessitate the tedious and unpleasant evaporation of the cyanide liquors, or else involve a series of chemical operations which are somewhat difficult to carry out, so that actually the used-up baths are sold to some firm which undertakes this recovery as a ...
— Scientific American Supplement, No. 787, January 31, 1891 • Various |
