"Tractive" Quotes from Famous Books
 ... trial, so fortunately accomplished, was of great importance; it was the first time that a comparatively heavy vehicle (nearly 400 kg., including the weight of the operator, fuel, and water) had been set in motion by a tractive apparatus, using the air solely as a propelling medium. The favourable report turned in by the Committee after the meeting of October 2nd was found justified by the results demonstrated on the grounds, and the first problem of aviation, namely, the creation of efficient motive power, could ...
— A History of Aeronautics • E. Charles Vivian
... while, on the other hand, the ox can be fattened for market when his usefulness as a draught animal is over, and then sell for more than his original cost; that he is less subject to infirmities than the horse; can be fed per tractive unit more economically and gives more valuable manure. These are strong arguments where the cost of human labour is small and economical farm management does not require that the time of the ploughman shall be limited if the unit cost of ploughing is to be reasonable. The ox is slow, but ...
— Roman Farm Management - The Treatises Of Cato And Varro • Marcus Porcius Cato
... rake; "a long pull a strong pull and a pull all together"; towage[obs3], haulage. V. draw, pull, haul, lug, rake, drag, tug, tow, trail, train; take in tow. wrench, jerk, twitch, touse|; yank [U.S.]. Adj. drawing &c. v.; tractile[obs3], tractive. ...
— Roget's Thesaurus
... well known to mariners who double Cape Horn in sailing from San Francisco to New York, that they now run considerably lower down in order to ride this tide eastward, than they did in former times. Here then we have one fact of water tide more comprehensive, at least, than the tractive theory of the moon. We have also the fact of two great promontories in Capes Horn and Good Hope, where this great tidal wave must strike against, and they produce constant oscillations of the water to and fro, and produce gurgitation and regurgitation in all the gulfs and rivers that line ...
— Scientific American, Vol. 17, No. 26 December 28, 1867 • Various
... being equal, have greater capacity than inclines, as winding will be much faster and length of haul less for same depth. Since engines have, however, a great tractive ability on inclines, by an increase in the size of skip it is usually possible partially to equalize matters. Therefore the size of inclines for the same output need not differ ...
— Principles of Mining - Valuation, Organization and Administration • Herbert C. Hoover |
