New Applications of the Dynamo-Electric Current

1880 Scientific American  
nitrogen-a theory I brought out in the year 1869. My idea of the glass chamber in which Professor Tyndall made the and maximum velocity the driving power regulates itself is that nitrogen is present to meet the variations of tempera-experiment of enteriug into smoke, usi nB' a filter mask over according to the velocity of. the train; thus .. on an ascending ture. For instance, if I took an animal from a temperature his mouth. That chamber, which has, I suppose, a capacity gradient the speed of
more » ... dient the speed of the train diminishes, hut the same of 60-, and placed it not in cold oxygen, but in cold com-of about 45 cubic feet, has been charged with carbonic acid. effect is automatically produced which results from the mon air at 30°; if I fed it well, and covered its body-closely; The whole of the atmospheric air in it may not be removed, turning on of more steam in the case of the locomotive en· if, in fact, I placed it in the condition of a well fed Esqui-but like t. he lower part of the Grotto del Cane, nothing gine. When runuing on the level, the velocity of the train mau, I found the animal would want to take largely of could live in it. Mr. Fleuss will, however, go into it, and should be such that the magneto· electric machine should food-would begin to make an excess of carbonic acid; and, set us at defiance, for he cares nothing about an atmosphere make one-half to two-thirds of the number of revolutions if only fed as at 60°, would commence to waste. The reason of that kind. per minute of the dynamo-electric maehine. When descend for this is, that the oxygen is abuudant in the air, and,· at rMr. Fleuss went into the chamber of carbonic acid gas, ing, the speed of the magneto-electric machine will be in the same time, is sufficiently diluted to be able to combine ana remained a considerable time.] creased in consequence of the increased velocity of the with the blood and the tissues, 8iIld the result is a greater There is one further advance which will probably be made train, until it exceeds that of the dynamo-electric machine, production of primary force, bl which the animal is en-on this, and that will be to fit up a small submerged vessel from which moment the functions of the two machines will abled, when well fed, to sustam the effects of the sur-with propelling power, so that men may live in it under be reversed; the machine on the train will become a cur rounding cold. If, from this extreme degree of cold, I water and pass beneath the sea considerable distances, carry-rent generator, and pay back as it were its spare power into move the animal to a temperature of 70', still supplying it ing with them their own atmosphere and food. When I; store, performing at the same time the useful action of a with common air, I find, if food be kept up, and all else once said that a great branch of geographical discovery brake in checkin� further increase in the velocity of the be equal, the animal ceases to crave so much for food,. made by the Salutlanders was the explol'ation of the fioors t!'ain. If two trams be placed upon the .ame pair of rails, produces less carbonic acid, and, with decreased waste, of the great depths, I was very much laughed at; now, I the one moving upon an ascending portion, the other upon tends to grow fat. The reason for this is, that the oxy-think the laugh is going to be on my side, and that that a descending portion of the same, power will be transmitted gen diluted still for ready combination, does not meet the achievement will even come to pass in the �ourse of the next· through the rails from the latter to the former, and they blood with the same de�ree of preseure, and the result is half century. may, therefore, be considered as connected by means of an that the animal, which m the warmer medium does not It remains, sir, for me only to express to Mr. Fleuss our invisible rope." require so free a production of force, produces less force. debt of gratitude, not only that he should with �reat labor, If, in repeating these experiments, I use pure oxygen in-trouble, and expense, have worked out this ingeDlous appara stead of common air, the animal at the lower tempera-tus to such perfection, but that he should, also, with true ture will want no food, will make a minimum (If carbonic English courage and pluck, have been himself the first to acid, and will sleep and die from not burning; while the experiment with it, and to enter into deep water, not know animal in the higher temperature will eat ravenously, get ing whether he should come out alive from the trial. It has very hot, produce an excess of carbonic acid, and, if not been to me a work of much pleasure indeed , and I esteem it largely supplied with food, would die from waste. The an honor to be connected with this apparatus, by giving the differences in the result of these experiments, as compared first lecture on what I am quite sure will lead to a new era with those related before, are due to the absence of the in the art of living in factitious gases,. and beneath the sea. equalizing nitrogen, which, existing in the proportion of four to one in common air, resists just in that proportion the excessive action both of heat and cold.
doi:10.1038/scientificamerican08211880-3850bsupp fatcat:3oavyl25afdqfn4i7gv5jilgvu