The Advanced Machinist: A Practical and Educational Treatise, with Illustrations |
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The Advanced Machinist: A Practical and Educational Treatise, with Illustrations Nehemiah Hawkins No preview available - 2016 |
The Advanced Machinist; A Practical and Educational Treatise, with Illustrations Nehemiah Hawkins No preview available - 2015 |
Common terms and phrases
adjustable angle bevel Boiler boring mill brass calipers change-wheels chaser ciphers circumference clamped cone corundum cube cubic cutting tool decimal denominator device diameter divided division divisor drill spindle driving edge emery wheel equal EXAMPLE feed motion feet per minute figure FIND THE AREA finishing fixed foreman fraction gauge gear grinding machine GRINDING OPERATIONS groove hand head headstock hole horizontal illustrated lathe leading screw least common multiple length lever machinist measuring mechanical metal milling cutters milling machine multiplied piece pinion pitch planing machine plate pulley quotient rack rack and pinion ratio reamers reduced revolutions per minute revolving RULE RULE.-Multiply sal-ammoniac screw thread SCREW-CUTTING shaft shape shown in fig shows side slide solder solid speed spindle square root Steam Engine steel subtract surface teeth thousandths threads per inch tion tooth TURNING AND BORING turret twist drill units Vernier vertical
Popular passages
Page 23 - The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them. Thu4, 18 is the greatest, common divisor of 36 and 54, since it is the greatest number that will divide each of them without a remainder.
Page 44 - Rule. — Annex ciphers to the numerator and divide by the denominator. Point off as many decimal places in the quotient as there are ciphers annexed.
Page 32 - Place the sum down as in the last example, then mark off from the right of the dividend as many figures as there are ciphers in the divisor...
Page 69 - The surface of a sphere is equal to the convex surface of the circumscribing cylinder ; and the solidity of the sphere is two thirds the solidity of the circumscribing cylinder.
Page 60 - To find the area of a trapezoid. RULE. Multiply half the sum of the two parallel sides by the perpendicular distance between them : the product will be the area.
Page 49 - ... by the last figure of the root, and subtract the product from the dividend ; to the remainder bring down the next period for a new dividend.
Page 304 - This maneuver should likewise be repeated at least sixteen times per minute. This serves the double purpose of freeing the throat so as to permit air to enter the lungs, and also, by exciting a reflex irritation from forcible contact of the under part of the tongue against the lower teeth, frequently stimulates an involuntary effort at respiration.
Page 40 - The least common multiple of two or more numbers, is the least number that can be divided by each of them without a remainder.
Page 48 - RULE. — For convenience, take for the third term, the number that may form a ratio with, or is of the same denomination as, the answer. If from the nature of the example, the answer is to be greater than the third term, make the greater of the two remaining terms (which must be of the same denomination) the second term; when not, make the smaller the second term. Then multiply the means (the second and third) together, and divide their product by the given extreme (the first term).
Page 37 - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.