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

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Side 152

gas is most offensive, the dissolution of the 152 SOLDERING FLUXES. ...

**Spirits**of salts, muriatic acid, when**killed**is a most useful flux for soft solders. The**killing**is done by dissolving zinc in the acid till gas is no longer given off, ^ As thegas is most offensive, the dissolution of the 152 SOLDERING FLUXES. ...

Side 153

it assists in cleaning the edges to be joined, while if rosin, or rosin and oil, is used

, the edges must, as stated, be cleaned previously. Spirits of salts not killed is ...

**Killed spirits**of chloride of zinc is specially useful for tin-plate soldering, becauseit assists in cleaning the edges to be joined, while if rosin, or rosin and oil, is used

, the edges must, as stated, be cleaned previously. Spirits of salts not killed is ...

Side 154

flux for soldering sights on gun-barrels. As a flux for lead soldering, plumbers use

tallow. For hard soldering, the flux is borax. This flux is also made use of in steel ...

**Killed spirits**, however, acts better. Salammoniac and rosin, mixed, is used as aflux for soldering sights on gun-barrels. As a flux for lead soldering, plumbers use

tallow. For hard soldering, the flux is borax. This flux is also made use of in steel ...

Side 156

... to secure friction, or with a piece of rough moleskin, or with tow or similar

material. It is sometimes necessary, when articles are very dirty and where there

are rivets, to first clean them with warm

bright.

... to secure friction, or with a piece of rough moleskin, or with tow or similar

material. It is sometimes necessary, when articles are very dirty and where there

are rivets, to first clean them with warm

**killed spirits**before scouring thoroughlybright.

Side 158

The article to be tinned should be heated to redness and afterwards placed in

dilute sulphuric acid for about twelve hours and then immersed in

about six hours, or, if the article cannot be annealed then it should be pickled in ...

The article to be tinned should be heated to redness and afterwards placed in

dilute sulphuric acid for about twelve hours and then immersed in

**killed spirits**forabout six hours, or, if the article cannot be annealed then it should be pickled in ...

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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.