The Practical Model Calculator, for the Engineer, Mechanic, Machinist, Manufacturer of Engine-work, Naval Architect, Miner, and MillwrightH.C. Baird, 1863 - 588 σελίδες |
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Σελίδα 44
... Suppose he had at first $ 120 Now of 120 is 40 of it is 30 their sum is 70 which taken from 120 leaves 50 Proof . of 144 is 48 of 144 is 36 their sum 84 taken from 144 leaves 60 as per question . Then , 50 120 :: 60 : 144 . What number ...
... Suppose he had at first $ 120 Now of 120 is 40 of it is 30 their sum is 70 which taken from 120 leaves 50 Proof . of 144 is 48 of 144 is 36 their sum 84 taken from 144 leaves 60 as per question . Then , 50 120 :: 60 : 144 . What number ...
Σελίδα 45
... Suppose the two numbers , 18 and 30. Then First position . 18 Second position . Proof . 30 27 6 mult . 108 18 add . 9 ) 126 14 results . 6 6 180 162 18 18 9 ) 198 9 ) 180 22 20 20 true res . 20 +6 errors unlike . 2 2d pos . 30 mult . 18 ...
... Suppose the two numbers , 18 and 30. Then First position . 18 Second position . Proof . 30 27 6 mult . 108 18 add . 9 ) 126 14 results . 6 6 180 162 18 18 9 ) 198 9 ) 180 22 20 20 true res . 20 +6 errors unlike . 2 2d pos . 30 mult . 18 ...
Σελίδα 72
... suppose the profiles of the arches are the arcs of circles ; the span of the middle arch is 240 feet and the height 24 feet ; required the length of the arc . 24240100 ; and 100 , by the Table , is 1.02645 . Hence 1.02645 × 24 246-34800 ...
... suppose the profiles of the arches are the arcs of circles ; the span of the middle arch is 240 feet and the height 24 feet ; required the length of the arc . 24240100 ; and 100 , by the Table , is 1.02645 . Hence 1.02645 × 24 246-34800 ...
Σελίδα 91
... suppose two angle iron rings similar to the following be re- quired , the exterior diameter AB , and interior diameter CD , each to be 1 foot 10 inches , and ed C D c d the extreme strength of the iron at the root cd , cd , & c , of an ...
... suppose two angle iron rings similar to the following be re- quired , the exterior diameter AB , and interior diameter CD , each to be 1 foot 10 inches , and ed C D c d the extreme strength of the iron at the root cd , cd , & c , of an ...
Σελίδα 94
... Suppose the mean girt of a tree 21 inches , and its length 16 feet , what are its contents in cubic feet ? 3.136 × 16 = 50.176 cubic feet . Battens , Deals , and Planks are each similar in their various lengths , but differing in their ...
... Suppose the mean girt of a tree 21 inches , and its length 16 feet , what are its contents in cubic feet ? 3.136 × 16 = 50.176 cubic feet . Battens , Deals , and Planks are each similar in their various lengths , but differing in their ...
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The Practical Model Calculator, for the Engineer, Mechanic, Machinist ... Oliver Byrne Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
Συχνά εμφανιζόμενοι όροι και φράσεις
air-pump angle axis beam body boiler breadth calculated cast iron centre of gravity centripetal forces circle circumference coefficient column constant cross-head cube root cubic feet cubic foot cubic inches cylinder in inches decimal degrees denominator depth diameter of cylinder difference discharge displacement distance ditto divide the product divisor effect elastic force equal find the area find the diameter formula fraction frustum gibs and cutter give given number half Hence horizontal Hot Blast immersed inches diameter inches of mercury length lever load-water line locomotive engine logarithm motion nearly nominal horse power number of teeth orifice perpendicular pitch plane pressure Prop proportion quotient radius ratio resistance result revolutions revolutions per minute revolving shaft side side rod solidity specific gravity square feet square inch square root subtract Suppose temperature thickness triangle tube valve velocity versed sine vis viva weight wheel
Δημοφιλή αποσπάσματα
Σελίδα 18 - Operations with Fractions A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator.
Σελίδα 10 - Los números cardinales 0: zero 1: one 2: two 3: three 4: four 5: five 6: six 7: seven 8: eight 9: nine 10: ten 11: eleven 12: twelve 13: thirteen 14: fourteen 15: fifteen 16: sixteen 17: seventeen 18: eighteen 19: nineteen 20: twenty...
Σελίδα 238 - To ascertain the nominal power by this method, multiply the square of the diameter of the cylinder in inches by the cube root of the stroke in feet, and divide the product by 47 ; the quotient is the number of nominal horses power of the engine...
Σελίδα 133 - Practical, Short, and Direct Method of Calculating the Logarithm of any given Number and the Number corresponding to any given Logarithm," discovered by Oliver Byrne, the author of the present work.
Σελίδα 19 - To reduce fractions of different denominators to equivalent fractions having a common denominator. RULE.! Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.
Σελίδα 6 - TABLE. 20 grains (gr.) make 1 scruple, sc. or 9. 3 scruples " 1 dram, dr. or 3. .8 drams " 1 ounce, oz. or §. 12 ounces
Σελίδα 152 - Multiply the square of the diameter of the cylinder in inches by the length of the stroke in inches, and by 171; and divide the product by the diameter of the driving-wheels in feet.
Σελίδα 24 - RULE. Divide as in whole numbers, and from the right hand of the quotient point off as many places for decimals as the decimal places in the dividend exceed those in the divisor.
Σελίδα 27 - Multiply each term in the multiplicand, beginning at the lowest, by the feet in the multiplier, and write...
Σελίδα 44 - If the errors are alike, divide the difference of the products by the difference of the errors, and the quotient will be the answer.