Linear Scale Non-logarithmic Slide Rules |
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Page 17
... , C = 3.14 ( Pi ) , and T represents the Diameter . The folded scale consists of a line generated vertically from 3.14 on the C Scale . Diameter - Circumference Conversion : Circumference - Diameter Conversion : 17 VIII Folded Scales.
... , C = 3.14 ( Pi ) , and T represents the Diameter . The folded scale consists of a line generated vertically from 3.14 on the C Scale . Diameter - Circumference Conversion : Circumference - Diameter Conversion : 17 VIII Folded Scales.
Page 18
... Scale . 2. Intersect Indica- tor TS at T - 9 . 3. Folded Pi Scale = 28.3 . There- fore , the circum- ference of a cir- ole 9 " in diameter is 28.3 " . Procedure Find the diameter of a circle of given circumference ; 1. Locate the value ...
... Scale . 2. Intersect Indica- tor TS at T - 9 . 3. Folded Pi Scale = 28.3 . There- fore , the circum- ference of a cir- ole 9 " in diameter is 28.3 " . Procedure Find the diameter of a circle of given circumference ; 1. Locate the value ...
Page 19
... SCALE 377 -5 3 FOLDED 2 PI SCALE -2 -1 -8 7 628 -5 4 7 7 7 7 T SCALE ORIGIN " O " 3 4 567 C SCALE 6 X 2P1 = 37.7 AND 37.7 / 2PI = 6 FIG . 7A- FOLDED SCALE GENERATED FROM ORIGIN " 0 " . 8 -7 TSCALE 6 -3 +2 -2 FOLDED PI SCALE 283 TS HAIRLINE ...
... SCALE 377 -5 3 FOLDED 2 PI SCALE -2 -1 -8 7 628 -5 4 7 7 7 7 T SCALE ORIGIN " O " 3 4 567 C SCALE 6 X 2P1 = 37.7 AND 37.7 / 2PI = 6 FIG . 7A- FOLDED SCALE GENERATED FROM ORIGIN " 0 " . 8 -7 TSCALE 6 -3 +2 -2 FOLDED PI SCALE 283 TS HAIRLINE ...
Common terms and phrases
Angle Scale ANTILOG COMBINED MULTIPLICATION computation construction CONTRACTED SCALE COORDINATE CONVERSION cross section paper cursor DECIMAL PLACEMENT decimal point demonstrated diameter EMERGENCY SLIDE RULE ence point Example Fig exponent expression Fahrenheit Figure 3b Folded Pi Scale folded scale galvanometer given angle given number GRODER INDEX SHIFTING Intersect Indicator Intersect this point intersection with Indicator linear slide rule Locate the decimal logarithmic scale lower C Scale lower reference point mantissa mathematical method multiplication and division number of digits Place a dot Place the ruler Powers Powers of Ten Procedure Cont Procedure Convert Procedure Solve proper scale ruler Fig ruler scale ruler zero point S=TC Scale dot Scale Fig SCALE IS SET Scale reading Set Indicator sheet shown in Figure sides of similar significant figures similar triangles Sine Soale solution square root SQUARES AND SQUARE straight edge T2 Scale Tangent values tion TRIGONOMETRIC FUNCTIONS upper C Scale upper reference point utilized