The Mannheim And Polyphase Slide Rules; Complete Manual With Tables of Settings, Equivalents And Gauge Points
The book The Mannheim And Polyphase Slide Rules; Complete Manual With Tables of Settings, Equivalents And Gauge Points was written by author Breckenridge, William E Here you can read free online of The Mannheim And Polyphase Slide Rules; Complete Manual With Tables of Settings, Equivalents And Gauge Points book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Mannheim And Polyphase Slide Rules; Complete Manual With Tables of Settings, Equivalents And Gauge Points a good or bad book?
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The root lies between 4.4 and 4.65. Set the index to 4.48 on D. Opposite the runner we have 4.48 on B. The cube root is 4.48, correct to three figures. Example 3. Find the cube root of 900. — 24 — KEUFFEL & ESSEIR CO. NEW YORK ^^^^H Since the scale A is graduated only from 1 to 100, we cannot set the runner to 900. Set it either to 9 or 90. The greatest cube in 900 is 729 and its cube root is 9. Hence the first significant figure is 9. If we set the left index to 9 on D, no part of the slide is... opposite the runner. Hence, set the right-hand index of the slide opposite 9 on scale D. This gives us: On D, opposite the index, 9. On B, opposite the runner line, 11.1. The root lies between 9. and 11.1. Set the index to 9.6 on D. We now have: On D, opposite the index, 9.6. On B, opposite the runner line, 9.77. The root lies between 9.6 and 9.77. Set the index to 9.66 on D. This gives us: On D, opposite the index, 9.66. OnB, opposite the runner, 9.66. Hence 9.66 is the root. Solving arithmetically, the third figure is 5, but the fourth flgvire is more than 5, so that 9.66 is nearer the correct result than 9.65.
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