Modern Sheet-metal Workers' Instructor: Practical Geometry, Mensuration, Properties of Metals and Alloys ...Drake, 1906 - 309 páginas |
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Página 54
... 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 state , but when in ...
... 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 state , but when in ...
Página 137
... solution is very much weaker , being only 1 pound of acid to the hundredweight of plates . Scouring with sand and water is then resorted to , after which the plates are placed in troughs of clean running water . They now have a ...
... solution is very much weaker , being only 1 pound of acid to the hundredweight of plates . Scouring with sand and water is then resorted to , after which the plates are placed in troughs of clean running water . They now have a ...
Página 139
... solutions of chloride of zinc and chloride of ammonium . The metal- lic bath through which they are next passed is a molten alloy of 640 parts by weight of zinc , 106 parts of mer- cury , and one - third part of sodium . Throw some sal ...
... solutions of chloride of zinc and chloride of ammonium . The metal- lic bath through which they are next passed is a molten alloy of 640 parts by weight of zinc , 106 parts of mer- cury , and one - third part of sodium . Throw some sal ...
Página 140
... solution is made by saturating with sheet zine 10 parts of hydrochloric acid , and , when the evo- lution of gas has ceased , dissolving in it 1 part of muriate or sulphate of ammonia . The iron articles are heated and plunged in this ...
... solution is made by saturating with sheet zine 10 parts of hydrochloric acid , and , when the evo- lution of gas has ceased , dissolving in it 1 part of muriate or sulphate of ammonia . The iron articles are heated and plunged in this ...
Página 141
... solution of metallic tin in concentrated muri- atic acid to 600 or 800 parts of water . The prepara- tion of the tin solution occupies from two to three days . At the bottom of the vat is a thin layer of finely- granulated zinc , on top ...
... solution of metallic tin in concentrated muri- atic acid to 600 or 800 parts of water . The prepara- tion of the tin solution occupies from two to three days . At the bottom of the vat is a thin layer of finely- granulated zinc , on top ...
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.