Recreations in Mathematics, with 60 IllustrationsD. Van Nostrand Company, 1917 - 155 sider |
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Resultat 1-5 av 31
Side 30
... theory of logarithms belongs in Algebra . Since ( -a ) 2 a2 it may be thought that log ( —a ) 2 = log a2 or 2 log ( -a ) = 2 log a , from which it appears that log ( − 1 ) log 1 , but this is not true on account of a concealed fallacy ...
... theory of logarithms belongs in Algebra . Since ( -a ) 2 a2 it may be thought that log ( —a ) 2 = log a2 or 2 log ( -a ) = 2 log a , from which it appears that log ( − 1 ) log 1 , but this is not true on account of a concealed fallacy ...
Side 37
... theory of indeterminate analysis . Let the preceding equation be multiplied by 8 , unity be added to each member and let 2 n + 1 be called y ; then it becomes y2 - 410 286 423 278 424 x2 = 1 which is of the form y2 - Ax2 = 1 , and it is ...
... theory of indeterminate analysis . Let the preceding equation be multiplied by 8 , unity be added to each member and let 2 n + 1 be called y ; then it becomes y2 - 410 286 423 278 424 x2 = 1 which is of the form y2 - Ax2 = 1 , and it is ...
Side 72
... theory of both plane and spherical triangles . The sum of the angles of a spherical triangle is always greater than 180 degrees , and the excess over 180 degrees depends on the area of the triangle . A rough rule for the spherical ...
... theory of both plane and spherical triangles . The sum of the angles of a spherical triangle is always greater than 180 degrees , and the excess over 180 degrees depends on the area of the triangle . A rough rule for the spherical ...
Side 75
... theory of arches , in the formula for a beam subject to both flexure and ten- sion , in the construction of charts to represent large portions of the earth's surface , and especially in the electrical dis- cussion of alternating ...
... theory of arches , in the formula for a beam subject to both flexure and ten- sion , in the construction of charts to represent large portions of the earth's surface , and especially in the electrical dis- cussion of alternating ...
Side 94
... theory demanded for the minimum quantity of wax . How- ever , evidence regarding these measurements is wanting , and indeed it would be a very difficult matter to measure this angle to such a degree of exactness . This problem first ...
... theory demanded for the minimum quantity of wax . How- ever , evidence regarding these measurements is wanting , and indeed it would be a very difficult matter to measure this angle to such a degree of exactness . This problem first ...
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00 In Press Algebra Alternating Current Analysis Analytic Geometry angle Arabic arithmetic bulls Calculus cell Chemical Chemistry circle colors COMPANY'S SHORT-TITLE CATALOG computed Construction coördinates cosine cube curve decimal Design diagonal diagram diameter diaphote differential digits divided Electric Elementary equal equation Euclid expressed fallacy formula four Geometry given gives gnomon Graphic Gregorian calendar Handbook hence horizontal hyperbolic Julian calendar leather length Licks light logarithms Machine magic square Manufacture mathematicians Mathematics Mechanics method midrib Modern multiply NOSTRAND COMPANY'S SHORT-TITLE notation plane Practical prime problem pyramid quantity radius Reinforced Concrete remainder result right-angled triangle root Salter Science Series sides sine solution solve Steam straight line subtract sun dial Tables tangent Theory tion Trans Treatise trigonometry UNIVERSITY OF CALIFORNIA VAN NOSTRAND COMPANY'S Volumes Water Westminster Series wire
Populære avsnitt
Side 154 - The heavens themselves, the planets, and this centre, Observe degree, priority, and place, Insisture, course, proportion, season, form, Office, and custom, in all line of order...
Side 138 - That there wasn'ta chance for one to start, For the wheels were just as strong as the thills, And the floor was just as strong as the sills And the panels just as strong as the floor, And the whipple-tree neither less nor more, And the back-crossbar as strong as the fore. And spring and axle and hub encore. And yet, as a whole, it is past a doubt In another hour it will be worn out!
Side 15 - Currents 8vo, *3 oo Centenary of the Electrical Current. . . : 8vo, *o 50 Electric Lamps and Electric Lighting 8vo, *3 oo Electrical Laboratory Notes and Forms 4to, *s oo A Handbook for the Electrical Laboratory and Testing Room. Two Volumes 8vo, each, *5 oo Fleury, P.
Side 154 - Amidst the other; whose medicinable eye Corrects the ill aspects of planets evil, And posts, like the commandment of a king, Sans check to good and bad: but when the planets In evil mixture to disorder wander, What plagues and what portents!
Side 31 - Perfumes. . . 8vo, *5 oo Foods and Drugs. Two Volumes 8vo, Vol. I. Chemical and Microscopical Analysis of Foods and Drugs. *7 5° Vol. II. Sale of Food and Drugs Act *3 oo — —and Coste, JH Chemistry of Pigments 8vo, *4 50 Parry, LA Risk and Dangers of Various Occupations 8vo, *3 oo Parshall, HF, and Hobart, HM Armature...
Side 29 - McKnight, JD, and Brown, AW Marine Multitubular Boilers *i 50 McMaster, JB Bridge and Tunnel Centres. (Science Series No. 20.) i6mo, o 50 McMechen, FL Tests for Ores, Minerals and Metals.
Side 44 - Windings i2mo, 3 oo Underwood, N., and Sullivan, TV Chemistry and Technology of Printing Inks 8vo, *3 oo Urquhart, JW Electro-plating I2mo, 2 oo Electrotyping i2mo, 2 oo Usborne, POG Design of Simple Steel Bridges 8vo, *4 oo Vacher, F.
Side 18 - Tool-book I2mo, i 50 Hart, JW External Plumbing Work 8vo, *3 oo Hints to Plumbers on Joint Wiping 8vo, *3 oo Principles of Hot Water Supply 8vo, *3 oo Sanitary Plumbing and Drainage 8vo, *3 oo Haskins, CH The Galvanometer and Its Uses i6mo, i 50 Hatt, JAH The Colorist square i2mo, *i 50 Hausbrand, E.
Side 18 - Hall, RH Governors and Governing Mechanism i2mo, *2 oo Hall, WS Elements of the Differential and Integral Calculus 8vo, *2 25 Descriptive Geometry 8vo volume and...
Side 14 - Practice 8vo, 2 50 Fleischmann, W. The Book of the Dairy. Trans. by CM Aikman. 8vo, 4 oo Fleming, JA The Alternate-current Transformer. Two Volumes.