The Slide Rule in Theory and Practice |
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Results 1-3 of 26
Page 73
... 1. Evaluate 3.41 × 2.67 . Step 1 Bring 1 on the C scale above 341 on the D scale and below 267 on the C scale , read 910 on the D scale . Either , 3.41 x 2.67 Step 2 1 , since the slide protrudes to 3 x 3 - 9 , or , 1 + 1-1 = or , 1 + 1 - 1 ...
... 1. Evaluate 3.41 × 2.67 . Step 1 Bring 1 on the C scale above 341 on the D scale and below 267 on the C scale , read 910 on the D scale . Either , 3.41 x 2.67 Step 2 1 , since the slide protrudes to 3 x 3 - 9 , or , 1 + 1-1 = or , 1 + 1 - 1 ...
Page 86
Grahame Pryce Rawlings. Step 1 Step 2 Bring 247 on the C scale above 35 on the D scale and below 564 on the C scale read 800 on the D scale . 564 is just over twice 247 , therefore , the time is just over 7 hours . Result : 8 hours ...
Grahame Pryce Rawlings. Step 1 Step 2 Bring 247 on the C scale above 35 on the D scale and below 564 on the C scale read 800 on the D scale . 564 is just over twice 247 , therefore , the time is just over 7 hours . Result : 8 hours ...
Page 92
... Step 1 Bring 432 on the C scale above 1 on the D scale and in the " window " read 23 ° 20 ′ on the T scale . Result : x = 23 ° 20 ' . Alternatively , the slide could be reversed , the T and D scales brought into coincidence and the ...
... Step 1 Bring 432 on the C scale above 1 on the D scale and in the " window " read 23 ° 20 ′ on the T scale . Result : x = 23 ° 20 ' . Alternatively , the slide could be reversed , the T and D scales brought into coincidence and the ...
Common terms and phrases
accuracy adding and subtracting angle whose sine answer anti-logarithm arithms barred characteristic complementary angle correct to four cosec cube root cursor over 3.46 D scale decimal notation decimal point distance divided dividend divisor engraved Evaluate explained in Section fact feet Find the angle find the product find the value fix the decimal following examples formulæ four figures four significant figures gauge mark graph Hence illustrated inches left-hand length representing log logarithmic scale logarithms of numbers mantissa Mean Differences method of finding metres Move the slide multiplication and division number of figures obtained operation ordinary ruler orlog place the cursor quadrant quotient reciprocal red extension red graduations Result scale and read scale read Section 14 Similarly Sine Rule slide protrudes Slide Rule Slide the cursor slipping the slide square root Step 1 Bring Step 2 Find tables of logarithms tables on pages trigonometrical ratios vulgar fractions