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In a little room close to the roof they saw the sending apparatus which really did the work. There was a series of five vacuum bulbs through which the current passed, receiving a vastly greater amplification from each, until from the final one it climbed into the antenna and was flung into space.
As in the case of his receiving station, Marconi found that results were much improved when he wired his sending apparatus so that one terminal was grounded and the other connected with an elevated wire or aerial, which is now called the antenna. By 1896 Marconi had brought this apparatus to a state of perfection where he could transmit messages to a distance of several miles.
McDevitt had the telescope set up next to his car and was practicing with it by tracking a high-flying osprey. Cobb was finishing work on his electronic setup. His antenna was in place, the dish on top of the collapsible pole aligned on the compass direction to Calvert's Favor. Steve shook hands with Joe and Chuck. "On your way. See you when the balloon goes up." He motioned to the boys.
With a team like that working along with Sahara Wells, results ought to be coming fast. Dr. Kerama continued. "We have been so concerned with what we thought was a problem that we have not accumulated all possible data on this hydrogen source. We will start at once to do this. The first step, of course, is to determine how long it is within view of our antenna, so that we may set up a schedule.
The most numerous and most interesting groups of beetles were the Longicorns and Rhynchophora, both pre-eminently wood-feeders. The former, characterised by their graceful forms and long antenna, were especially numerous, amounting to nearly three hundred species, nine-tenths of which were entirely new, and many of them remarkable for their large size, strange forms, and beautiful colouring.
Bond continually refers to in his narrative as "upper arms" were really the antenna of the insects which split at the end into four flexible appendages resembling fingers. His mistake is a natural one, for the Mercurians used their antenna as extra arms.
They and they only can acquire the philosophic imagination, the sacred power of self-intuition, who within themselves can interpret and understand the symbol, that the wings of the air-sylph are forming within the skin of the caterpillar; those only, who feel in their own spirits the same instinct, which impels the chrysalis of the horned fly to leave room in its involucrum for antenna, yet to come.
It consists of 372 dual-monopole vertical elements each 19 feet high, backed by a huge reflector screen which makes the antenna substantially unidirectional. Each pair of vertical elements has its own receiver which digitizes the incoming signals. All the digitized signals are then fed through a fibre-optic link to a master signal processor.
It was black and of great age, and he managed to fasten it adroitly on the shoulder of the lady who sat next him, so that its long antenna tickled her neck, and provoked her attention to it. Glancing down sideways, and catching a glimpse of black eyes and many legs, she thought it was some horrid creature with a sting, and jumped up, shrieking wildly, to everybody's consternation.
Snip, snip, snip, on all sides in the musty darkness, the keen mandibles sheared the edible heads, and though the little Attaphilas dodged and ran, yet most of them, in course of time, lost part of an antenna or even a whole one.
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