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Updated: June 16, 2025
When he began his investigations he used the whole room, as was shown by the heavy blinds and curtains so arranged as to exclude the entrance of all interfering light from the windows. In the side of the tin box, at the point immediately against the tube, was a circular sheet of aluminium one millimetre in thickness, and perhaps eighteen inches in diameter, soldered to the surrounding tin.
Thus, below fifty to thirty millionths of a millimetre the properties of matter depend on its thickness. There are then, no doubt, only a few molecules to be met with, and it may be concluded, in consequence, that the discontinuous elements of bodies that is, the molecules have linear dimensions of the order of magnitude of the millionth of a millimetre.
The men's feet were beginning to suffer terribly, for the road along which they were marching had been cobbled cobbles, not as we know them in England, but rounded on the surface cobbles that turned one's ankles, cobbles that the nails of one's boots slipped on, that were metallic, that "gave" not the fraction of a millimetre.
"The Superintendent explained that the stone was quite unequal in quality, and he told us how the illuminating power of the stone was actually tested in what on the Earth we would call candle powers, but is known on Mars as Ki-kans, or a unit of light derived from a platinum wire one millimetre thick, carrying 100 volts current.
Goujet, annoyed and seeing that his comrade was joking because of his friendship for Gervaise, called out to him: "I say, lazybones, what about the forty millimetre bolts? Do you think you're equal to them now that you've got your gullet full, you confounded guzzler?" The blacksmith was alluding to an order for big bolts which necessitated two beaters at the anvil.
Geyer explains how only minute particles less than 1/10,000 of a millimetre in diameter are of any use to penetrate a mask, and he develops the difficulties experienced by Germany in obtaining such fine pulverisation without decomposing the substance.
The latter, with the 75 millimetre quick-firing gun, is particularly adapted to following up the results of the aeroplane's reconnaissance, especially with the system of rafale fire, because the whole position can be searched through and through within a minute or two.
In front of this beam whirled a five- spindled wheel, governed by a chronometer which erred only a second a day. Between the poles of the galvanometer was stretched a slender thread of fused quartz plated with silver, only one one- thousandth of a millimetre in diameter, so tenuous that it could not be seen except in a bright light.
The egg-factory and the dung-factory scatter their products with the same indifference. Nevertheless, let us bring the lens to bear upon the minute particle so contumeliously treated. It is a miracle of elegance. In both species of Clythræ the eggs have the form of truncated ellipsoids, measuring about a millimetre in length.
"A cubic centimetre contains 21,000,000,000,000,000,000,000 molecules," "the number of impacts received by each molecule of air during one second will be 4,700 millions. The distance traversed between each impact averages 95/1000000 of a millimetre," and so on with lines of ciphers to overawe the gaping millions with Mr. Laing's minute certainty as to the ultimate constitution of matter.
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