Modern Sheet-metal Workers' Instructor: Practical Geometry, Mensuration, Properties of Metals and Alloys ...Drake, 1906 - 309 páginas |
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Página 54
... acid and in most solutions of the alkalies , but is only slightly affected by dilute 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 ...
... acid and in most solutions of the alkalies , but is only slightly affected by dilute 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 ...
Página 56
... 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 native ...
... 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 native ...
Página 197
... nitric acid alternately using hot strong potash water . In about ten minutes , the tin inside the vessel will be eaten off , leaving the copper bare . The pan is now ready for brazing , which is done by using spelter , mixed wet with ...
... nitric acid alternately using hot strong potash water . In about ten minutes , the tin inside the vessel will be eaten off , leaving the copper bare . The pan is now ready for brazing , which is done by using spelter , mixed wet with ...
Página 198
... nitric acid , using hot potash water as before . Then draw down the fresh - cut edge with a thinning hammer , and if the edge in thinning becomes at all irregular , trim with a file . After rubbing over with wet salt , anneal the copper ...
... nitric acid , using hot potash water as before . Then draw down the fresh - cut edge with a thinning hammer , and if the edge in thinning becomes at all irregular , trim with a file . After rubbing over with wet salt , anneal the copper ...
Página 229
... nitric acid , and mix well . An excellent liquid glue is also made by dissolving glue in nitric ether , this fluid will only dissolve a cer- tain amount of glue , consequently the solution cannot be made too thick . The glue solution ...
... nitric acid , and mix well . An excellent liquid glue is also made by dissolving glue in nitric ether , this fluid will only dissolve a cer- tain amount of glue , consequently the solution cannot be made too thick . The glue solution ...
Otras ediciones - Ver todas
Modern Sheet-Metal Workers' Instructor: Practical Geometry, Mensuration ... Joseph H Rose Sin vista previa disponible - 2018 |
Modern Sheet-Metal Workers' Instructor: Practical Geometry, Mensuration ... Joseph H. Rose Sin vista previa disponible - 2022 |
Modern Sheet-Metal Workers' Instructor: Practical Geometry, Mensuration ... Joseph H Rose Sin vista previa disponible - 2018 |
Términos y frases comunes
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
Pasajes populares
Página 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.
Página 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.
Página 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...
Página 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.
Página 43 - To find the. area of a triangle when the three sides are given. From half the sum of the three sides...
Página 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.
Página 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.
Página 5 - A straight line is that which lies evenly between its extreme points.
Página 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.