Brodetsky, Selig, 1888-1954 · London, G. Bell and Sons, Ltd. · leaf 102
84 WITH TWO PARALLEL SCALES 5, with a, h lying within the given limits. An obvious one is a:^— 25=0. If we try to draw this line we see … that it is very nearly coincident with the line of zeros. To get another line as distinct as possible we use (a;-5)(.T + 500)=0, i.e. «-495, 6 = -2500. Similarly for any other value of x. I
Nomography (Mathematics)
Internet Archive · University of California Libraries · Public domain (published before 1931). Free to use for anything.
![An illustration from Husbandry spiritualized, or, The heavenly use of earthly things [microform] : consisting of many pleasant observations, pertinent applications, and serious reflections, and each chapter concluded with a divine and suitable poem, directing husband-men to the most excellent improvements of their common imployments : whereunto are added, by way of appendix, several choice occasional meditations, upon birds, beasts, trees, flowers, rivers, and several other objects : fitted for the help of such as desire to walk with God in all solitudes and recesses from the world (1678)](https://img.insideoutlibrary.com/img/200/ia-zhongguokexueyua08zhon-140-13.webp)
