Modern Sheet-metal Workers' Instructor: Practical Geometry, Mensuration, Properties of Metals and Alloys ...Drake, 1906 - 309 sider |
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Resultat 1-5 av 14
Side 54
... sulphuric acid , and not at all by nitric acid . The rolled or forged metal breaks with a fine silky fracture . Aluminium is not found in a metallic state , but when in combination with oxygen , various alkalies , fluorine , silicon ...
... sulphuric acid , and not at all by nitric acid . The rolled or forged metal breaks with a fine silky fracture . Aluminium is not found in a metallic state , but when in combination with oxygen , various alkalies , fluorine , silicon ...
Side 56
... sulphuric acid , and aqua regis , and if treated with nitric acid forms a straw - colored powder known as antimonic acid . Commercial antimony contains im- purities in the form of potassium , copper , iron , and lead . Antimony occurs ...
... sulphuric acid , and aqua regis , and if treated with nitric acid forms a straw - colored powder known as antimonic acid . Commercial antimony contains im- purities in the form of potassium , copper , iron , and lead . Antimony occurs ...
Side 64
... sulphuric acid , pure zine only slowly . If zinc is exposed to the air , a film of dull grey oxide forms on the surface , it suffers afterwards little further change . Zinc alloys with copper and tin , but not with lead , it also alloys ...
... sulphuric acid , pure zine only slowly . If zinc is exposed to the air , a film of dull grey oxide forms on the surface , it suffers afterwards little further change . Zinc alloys with copper and tin , but not with lead , it also alloys ...
Side 136
... sulphuric acid , 1 part of acid to 16 to 20 parts of water . The pickle is prepared by pouring the acid into the water , keeping the latter constantly agitated . In small shops the pickling is done in lead - lined . tanks by hand , but ...
... sulphuric acid , 1 part of acid to 16 to 20 parts of water . The pickle is prepared by pouring the acid into the water , keeping the latter constantly agitated . In small shops the pickling is done in lead - lined . tanks by hand , but ...
Side 139
... sulphuric or muriatic acid and water , being afterwards scoured with emery or sand . They are now ready for the preparing bath , made by mixing together equal parts of saturated solutions of chloride of zinc and chloride of ammonium ...
... sulphuric or muriatic acid and water , being afterwards scoured with emery or sand . They are now ready for the preparing bath , made by mixing together equal parts of saturated solutions of chloride of zinc and chloride of ammonium ...
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Vanlige uttrykk og setninger
66 IXXX alloys aluminium ammoniac annealed antimony bending bismuth body boiling borax bottom brass brazing cast iron chloride of zinc circle circumference clean coated copper copper bit cubic contents curve cutter cylinder degrees Fahrenheit describe dipped dissolve draw the line ductility edge ENGINEERING feet fire flux foot gallons galvanized gills glue hammer hardened heat hole inches in diameter IXXXX joint lead leather length machine shown malleable melted molten Multiply muriatic acid nitric acid number of equal oxide pattern perpendicular piece pints pipe plates points pounds pressure radius right angles rolls rosin round salammoniac screw shape shears sheet metal shown in Fig sides solder solution speculum metal spelter square inch stake steel straight line substances sulphuric sulphuric acid superficial area surface temperature thick tion triangle tube velocity vessel Weight width Wire Gauge WROUGHT IRON zinc zine
Populære avsnitt
Side 5 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Side 21 - AB of the circle into as many equal parts as the polygon is to have sides. With the points A and B as centers and radius AB, describe arcs cutting each other at C.
Side 224 - To find the pressure in pounds per square inch of a column of water, multiply the height of the column in feet by .434. Approximately, we say that every foot elevation is equal to % Ib. pressure per square inch ; this allows for ordinary friction. To find the diameter of a pump cylinder...
Side 227 - To find the velocity in feet per minute necessary to discharge a given volume of water in a given time, multiply the number of cubic feet of water by 144 and divide the product by the area of the pipe in inches.
Side 43 - To find the. area of a triangle when the three sides are given. From half the sum of the three sides...
Side 10 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another : 16. And this point is called the centre of the circle.
Side 5 - A plane angle is the inclination of two lines to one another in a plane, which meet together, but are not in the same direction.
Side 5 - A straight line is that which lies evenly between its extreme points.
Side 15 - A cone is a solid figure described by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed.