## Modern Sheet-metal Workers' Instructor: Practical Geometry, Mensuration, Properties of Metals and Alloys ... |

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Side 58

At the end of five hours more anthracite coal is thrown into the furnace, and in

about an hour after that the

iron silicate which contains some oxides. To 58 PROPERTIES OF METAL.

At the end of five hours more anthracite coal is thrown into the furnace, and in

about an hour after that the

**molten**metal can be run off. The remaining slag is aniron silicate which contains some oxides. To 58 PROPERTIES OF METAL.

Side 59

Grain tin is made by allowing the

cold surface. To produce what is known as common tin, the metal passes at once

to the moulds. Refined tin is the result of using better ores and lengthening the ...

Grain tin is made by allowing the

**molten**metal to fall from a height on to a hardcold surface. To produce what is known as common tin, the metal passes at once

to the moulds. Refined tin is the result of using better ores and lengthening the ...

Side 63

The poling of copper consists in plunging the end of a pole of green wood,

preferably birch, beneath the surface of the

with it. Violent ebullition takes place, large quantities of gases are liberated, and

the ...

The poling of copper consists in plunging the end of a pole of green wood,

preferably birch, beneath the surface of the

**molten**metal, and stirring the masswith it. Violent ebullition takes place, large quantities of gases are liberated, and

the ...

Side 138

The black plates are taken up singly from the water, and placed in the first pot

containing

transferred to a pot containing

...

The black plates are taken up singly from the water, and placed in the first pot

containing

**molten**palm-oil until all moisture has been removed. They are thentransferred to a pot containing

**molten**tin covered with palm-oil. After remaining a...

Side 139

The success of the process, as in tinning metals, depends on the thoroughness

with which the metal is cleansed previous to being passed through the

zinc. The plates or vessels are first immersed in a warm bath of equal parts of ...

The success of the process, as in tinning metals, depends on the thoroughness

with which the metal is cleansed previous to being passed through the

**molten**zinc. The plates or vessels are first immersed in a warm bath of equal parts of ...

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Modern Sheet-Metal Workers' Instructor: Practical Geometry, Mensuration ... Joseph H Rose Ingen forhåndsvisning tilgjengelig - 2018 |

Modern Sheet-Metal Workers' Instructor: Practical Geometry, Mensuration ... Joseph H Rose Ingen forhåndsvisning tilgjengelig - 2018 |

Modern Sheet-Metal Workers' Instructor: Practical Geometry, Mensuration ... Joseph H. Rose Ingen forhåndsvisning tilgjengelig - 2017 |

### Vanlige uttrykk og setninger

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 lines draw the line drop hammer Ductility edge feet fire flux foot gallons galvanized gauge gills glue hammer hardened heat hole inches in diameter joint killed spirits lead 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 side solder solid solution Specific gravity speculum metal spelter square inch stake steel straight line substance sulphuric sulphuric acid superficial area surface temperature thick thin tion triangle tube velocity vessel Weight width wire wrought-iron zinc

### 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 315 - Sold by booksellers generally or sent postpaid to any address upon receipt of price. FREDERICK J. DRAKE & CO., Publishers 350-352 Wabash Avenue, CHlCAGO, ILL, Easy Electrical Experiment* and How to Make Them By L.

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.