Modern Sheet-metal Workers' Instructor: Practical Geometry, Mensuration, Properties of Metals and Alloys ...Drake, 1906 - 309 páginas |
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Página 59
... boil by the escape of gases , and by this means the impurities , such as iron and arsenic , are brought to the surface , from which they are skimmed . Grain tin is made by allowing the molten metal to fall from a height on to a hard ...
... boil by the escape of gases , and by this means the impurities , such as iron and arsenic , are brought to the surface , from which they are skimmed . Grain tin is made by allowing the molten metal to fall from a height on to a hard ...
Página 64
... boiling water , it was only used to alloy copper with , and sheet zine was unknown . Zinc expands 4th by heating from the freezing to the boiling point of water . The zine of commerce dissolves readily in hydrochloric and in sulphuric ...
... boiling water , it was only used to alloy copper with , and sheet zine was unknown . Zinc expands 4th by heating from the freezing to the boiling point of water . The zine of commerce dissolves readily in hydrochloric and in sulphuric ...
Página 141
... boiling in a solution of caustic soda . Immerse in dilute muriatic acid , scrub with a metallic brush , and rinse in hot water , afterwards drying thoroughly . The molten metal is liable to spit if the article is passed into it wet . It ...
... boiling in a solution of caustic soda . Immerse in dilute muriatic acid , scrub with a metallic brush , and rinse in hot water , afterwards drying thoroughly . The molten metal is liable to spit if the article is passed into it wet . It ...
Página 142
... boil the brass or copper in a solution of chloride of zinc , adding at the same time a small quantity of zine ... boiling point , and immerse the cop- per or brass articles , which should be chemically clean . A firm coating of ...
... boil the brass or copper in a solution of chloride of zinc , adding at the same time a small quantity of zine ... boiling point , and immerse the cop- per or brass articles , which should be chemically clean . A firm coating of ...
Página 147
... boiling water , up to those suited for copper and iron goods . The lowest melting points occur in what are termed the bismuth solders , the highest in the spelter and silver solders . An alloy of three of lead , five of tin , and three ...
... boiling water , up to those suited for copper and iron goods . The lowest melting points occur in what are termed the bismuth solders , the highest in the spelter and silver solders . An alloy of three of lead , five of tin , and three ...
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.