Knight's American Mechanical Dictionary: A Description of Tools, Instruments, Machines, Processes, and Engineering, History of Inventions, General Technological Vocabulary, and Digest of Mechanical Appliances in Science and the Arts, Volume 1Houghton, Mifflin, 1876 - 2831 pages |
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Common terms and phrases
acid adapted alloy amalgam ancient Egypt angle annealing annular Antimony apparatus aqueduct arch arranged ATMOSPHERIC RAILWAY attached auger axis axle barrel beam beneath Bismuth block bolt Bookbinding bore bottom brass brick bronze caisson carriage cast-iron chamber color compressed connected consists copper cutter cylinder device diameter disk driven edge engine feet fire frame furnace glass grooves heat Herodotus hight hole hollow horizontal Horology inches instrument invented iron lathe latter leather length lever liquid lower machine means mercury metal mold motion Nautical opening operation passes patent patio process piece pipe piston placed plate portion pounds pressure pump quicksilver revolutions per minute revolving rollers rope rotated screw shaft shank side silver Speculum metal spindle spring steam steam-engine steel stone surface swaged thick thread tion tool tube upper valve vertical vessel weft weight wheel wire wood zinc
Popular passages
Page 221 - And thou shalt put in the breastplate of judgment the Urim and the Thummim ; and they shall be upon Aaron's heart, when he goeth in before the LORD : and Aaron shall bear the judgment of the children of Israel upon his heart before the LORD continually.
Page 448 - Thus the Birch Canoe was builded In the valley, by the river, In the bosom of the forest ; And the forest's life was in it, All its mystery and its magic, All the lightness of the birch-tree, All the toughness of the cedar, All the larch's supple sinews; And it floated on the river ; Like a yellow leaf in Autumn, Like a yellow water-lily.
Page 438 - Remember therefore from whence thou art fallen, and repent, and do the first works ; or else I will come unto thee quickly, and will remove thy candlestick out of his place, except thou repent.
Page 93 - The inner tube for delivering the ether runs upwards nearly to the extremity of the outer tube. Now, when the bellows are worked, a double current of air is produced, one current descending and pressing upon the ether forcing it along the inner tube, and the other ascending through the outer tube and playing upon the column of ether as it escapes through the fine jet.
Page 232 - that if it happens that the height of the mercury at the top of the hill be less than at the bottom (which I have many reasons to believe, though all those who have thought about it are of a different opinion), it...
Page 50 - But it is a most acceptable thing to hear their discourse, and see their experiments, which were this day on fire, and how it goes out in a place where the ayre is not free, and sooner out where the ayre is exhausted, which they showed by an engine on purpose.
Page 20 - ... and part of the tube into which it is inserted, are to be occupied by the fluid of the pneumatic trough, either water or mercury.
Page 310 - But that which surprises me most in the land, after the city itself, I will now proceed to mention. The boats which come down the river to Babylon are circular, and made of skins. The frames, which are of willow, are cut in the country of the Armenians above Assyria, and on these, which serve for hulls, a covering of skins is stretched outside, and thus the boats are made, without either stem or stern, quite round like a shield.
Page 423 - Robes and white veils are painted in Egypt in a wonderful way. They are first imbued, not with dyes, but with dye-absorbing drugs, by which, though they be unaltered, yet, when immersed for a little while in a caldron of the boiling dye-liquor, they are found to become painted. Yet, as there is only one colour in the caldron, it is marvellous to see many colours imparted to the robe in consequence of the influence of the excipient drug.
Page 543 - A system of clock-work carrying a type- wheel with fifty numbers on its rim, revolving once every second ; one, two, or parts of two numbers being always printed, so that hundredths of seconds may be indicated. This train is primarily regulated to move uniformly by the Frauenhofer friction-balls, and secondarily by an electro-magnet acting on the fast-moving type-wheel, and controlled by the standard clock.