Mechanics and Engineers Book of Reference and Engineers Field BookStringer & Townsend, 1856 - 517 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 51.
Σελίδα 62
... acid and water ; a piece of glass , the specific gravity of which is 3 ' , weighing 3 ounces when immersed in it ... acid , 1-503 2033 Sulphuric acid , . 1- $ 45 Weights of given bulks of water and air for calculating 62 . SPECIFIC ...
... acid and water ; a piece of glass , the specific gravity of which is 3 ' , weighing 3 ounces when immersed in it ... acid , 1-503 2033 Sulphuric acid , . 1- $ 45 Weights of given bulks of water and air for calculating 62 . SPECIFIC ...
Σελίδα 90
... acid . With these preliminary remarks we come now to the lacquers , or varnishes . The Famous Brilliant French Varnish for Boots and Shoes . Take of a pint of spirits of wine ; 5 pints white wine ; pound of powdered gum senegal ; 6 oz ...
... acid . With these preliminary remarks we come now to the lacquers , or varnishes . The Famous Brilliant French Varnish for Boots and Shoes . Take of a pint of spirits of wine ; 5 pints white wine ; pound of powdered gum senegal ; 6 oz ...
Σελίδα 95
... acid 4 parts by measure ; alcohol 1 part . Mix , and add 1 part double aquafortis ( sp . gr . 1 · 28 ) . Apply it from 11⁄2 to 15 minutes . Varnish for Engraving on Glass . Wax 1 oz .; mastic oz .; asphaltum oz .; turpentine drachm ...
... acid 4 parts by measure ; alcohol 1 part . Mix , and add 1 part double aquafortis ( sp . gr . 1 · 28 ) . Apply it from 11⁄2 to 15 minutes . Varnish for Engraving on Glass . Wax 1 oz .; mastic oz .; asphaltum oz .; turpentine drachm ...
Σελίδα 109
... acid 2 parts , water 6 or 8 parts . 2. Gold Solution . Dissolve 2 oz . of cyanide of potassium ( by Liebig's method ) ... acid ( sp . gr . 1.384 ) 4 parts , water 120 parts . : 5. Solution , or Pickle , for immersing Copper Articles in ...
... acid 2 parts , water 6 or 8 parts . 2. Gold Solution . Dissolve 2 oz . of cyanide of potassium ( by Liebig's method ) ... acid ( sp . gr . 1.384 ) 4 parts , water 120 parts . : 5. Solution , or Pickle , for immersing Copper Articles in ...
Σελίδα 127
... acid , and 2 oz . of spirit of wine . 5. Linseed oil 8 oz . , vinegar 4 oz . , oil of turpentine , mucilage , rectified spirit , each oz .; butter of antimony oz .; muriatic acid 1 oz . Mix . 6. Linseed oil 16 oz . , black rosin 4 oz ...
... acid , and 2 oz . of spirit of wine . 5. Linseed oil 8 oz . , vinegar 4 oz . , oil of turpentine , mucilage , rectified spirit , each oz .; butter of antimony oz .; muriatic acid 1 oz . Mix . 6. Linseed oil 16 oz . , black rosin 4 oz ...
Περιεχόμενα
232 | |
238 | |
242 | |
248 | |
256 | |
262 | |
269 | |
278 | |
68 | |
69 | |
75 | |
81 | |
89 | |
97 | |
98 | |
118 | |
132 | |
140 | |
146 | |
152 | |
160 | |
165 | |
174 | |
176 | |
180 | |
202 | |
209 | |
215 | |
223 | |
284 | |
285 | |
292 | |
298 | |
304 | |
305 | |
312 | |
318 | |
324 | |
330 | |
347 | |
358 | |
365 | |
371 | |
414 | |
457 | |
483 | |
499 | |
505 | |
513 | |
516 | |
Συχνά εμφανιζόμενοι όροι και φράσεις
9 Diff acid angle antimony applied beam bismuth blue body Boil borax Brass breadth cast-iron centre chord circle circumference color Copal copper cosine cube curvature curve cylinder DEGREES Diam diameter Dissolve distance divide draw equal EXAMPLE external secant feet radius foot force gallons given glass glue gold heat horse power inclined plane iron lamp-black length lever linseed oil Logarithm Marble mastic Melt Metal minute Multiply nitric acid number of teeth ounces paper pearlash perpendicular piece of timber pint potash pounds pressure Prussian blue quantity quotient rectified spirit revolutions per minute revolving RULE sal-ammoniac shaft shell-lac side silver solution specific gravity spirit square inch square root steam sulphate surface TABLE tangent tenon thickness tons Varnish velocity versed sine vessel vinegar weight wheel wood yellow zinc
Δημοφιλή αποσπάσματα
Σελίδα 39 - To find the solidity of a spheroid. RULE. Multiply the square of the revolving axis by the fixed axis, and by *5236, and the product will be the solidity.
Σελίδα 33 - Any circle whose diameter is double that of another contains four times the area of the other.
Σελίδα 27 - Of four-sided figures, a square is that which has all its sides equal, and all its angles right angles.
Σελίδα 267 - ... they are dissolved. Then mix the whole with a sufficient heat. Keep the glue in a phial closely stopped, and when it is to be used, set the phial in boiling water.
Σελίδα 266 - ... and, in another vessel, dissolve as much isinglass, previously a little softened in water, (though none of the water must be used), in French brandy or good rum, as will make a...
Σελίδα 235 - SOLDERS. For Lead. — Melt one part of block tin, and, when in a state of fusion, add 2 parts of lead. Resin should be used with this solder. For Tin. — Pewter, 4 parts ; tin, 1 ; bismuth, 1. Melt them together and run them into slips.
Σελίδα 38 - RULE. — To the sum of the areas of the two ends add the square root of their product ; multiply this sum by the perpendicular height, and -^ of the product is the solid content.
Σελίδα 128 - Bring the edges of the pieces of shell to fit each other, observing to give the same inclination of grain to each, then secure them in a piece of paper, and place them between hot irons or pincers ; apply pressure, and let them cool.
Σελίδα 65 - RULE. — Divide the weight to be raised by twice the number of pulleys in the lower block ; the quotient will give the power necessary to raise the weight. EXAMPLE. — What power is required to raise 600 Ibs., when the lower block contains six pulleys ? 600 6 x 2 = 50 Iks., Ans.
Σελίδα 53 - To find the centre of Gyration, multiply the weight of the several particles by the squares of their distances from the centre of motion, and divide the sum of the products by the weight of the whole mass; the square root of the quotient will be the distance of the centre of gyration, from the centre of motion.