Norris's Hand-book for Locomotive Engineers and Machinists ...H. C. Baird, 1854 - 302 σελίδες |
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Σελίδα 168
... turning round a fixed point , called the fulcrum . According to the relative positions of the weight , power , and fulcrum , on the lever , it is said to be of three kinds , viz . when the fulcrum is somewhere be- twixt the weight and ...
... turning round a fixed point , called the fulcrum . According to the relative positions of the weight , power , and fulcrum , on the lever , it is said to be of three kinds , viz . when the fulcrum is somewhere be- twixt the weight and ...
Σελίδα 199
... turned to his advantage , -for friction is the chief cause of the stability of buildings or machinery , and without it animals could not exert their strength . The friction of planed woods and polished metals , without grease , on one ...
... turned to his advantage , -for friction is the chief cause of the stability of buildings or machinery , and without it animals could not exert their strength . The friction of planed woods and polished metals , without grease , on one ...
Σελίδα 206
... turned too large , was thus powerfully compressed . The inner cylinder was partly filled with pewter , and a steel piston being fitted to the bore , a pressure of 972 tons was put on the steel piston . The steel was ' 206.
... turned too large , was thus powerfully compressed . The inner cylinder was partly filled with pewter , and a steel piston being fitted to the bore , a pressure of 972 tons was put on the steel piston . The steel was ' 206.
Σελίδα 241
... to become defective or leaky , because the surfaces are turned true and smooth , both on the cover and its seat . When these surfaces have not been made true in this manner , it becomes requisite to use 21 THE BOILER . 241.
... to become defective or leaky , because the surfaces are turned true and smooth , both on the cover and its seat . When these surfaces have not been made true in this manner , it becomes requisite to use 21 THE BOILER . 241.
Σελίδα 242
... turned out of the same piece . In some cases , domes of this form have been constructed of cast iron , about & in . thick , but they have been found objectionable from their top weight , and they cannot be considered as altogether safe ...
... turned out of the same piece . In some cases , domes of this form have been constructed of cast iron , about & in . thick , but they have been found objectionable from their top weight , and they cannot be considered as altogether safe ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
abscissa Atmospheric Railway avoirdupois axle blast-pipe boiler brass centre circle circular segments Circum circumference cloth coke conjugate connecting-rod copper crank Cube Root cubic feet cubic foot cubic inch curve cylinder cylinder in inches Dauphiny Decimal or Reciprocal diame diameter distance driving wheels eccentric-rod equal EXAMPLE.-Required find the Area find the Solidity fire-box Fraction or Numb friction Frustum fulcrum fulcrum and valve Gallons gauge give the solidity Height of Arc horses Hyperbola iron Length of Arc leverage locomotive engine metallic mile morocco motion multiply the sum North Shields ordinate Ounces Parabola pipes piston piston-rod plates Pounds pressure quotient radius rails Railway resistance revolving axis RULE RULE.-Multiply RULE.-To find screw segment shaft side smoke-box spindle square inch Square Root steam stroke subtract thickness tion tons trapezium tubes valve velocity Volume whole weight yards Zone
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Σελίδα 6 - DYER AND COLOR-MAKER'S COMPANION: Containing upwards of two hundred Receipts for making Colors, on the most approved principles, for all the various styles and fabrics now in existence ; with the Scouring Process, and plain Directions for Preparing, Washing-off, and Finishing the Goods.
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Σελίδα 6 - Lackering, Japanning, and Varnishing; to make French Polish ; to prepare the Best Glues, Cements, and Compositions, and a number of Receipts particularly useful for workmen generally.
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Σελίδα 5 - Builder's Pocket Companion: Containing the Elements of Building, Surveying, and Architecture ; with Practical Rules and Instructions connected with the subject. By AC SMEATON, Civil Engineer, etc. In one volume, 12mo.
Σελίδα 6 - Work ; the Art of Dyeing and Staining Wood, Bone, Tortoise Shell, etc. Directions for Lackering, Japanning, and Varnishing ; to make French Polish ; to prepare the best Glues, Cements, and Compositions, and...
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