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

### Inni boken

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 pff, 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

acid allow alloys applied base bending bismuth body bottom brass cast circle circumference clean coated cold contains copper cover cubic curve cylinder describe desired diameter draw edge effect ENGINEERING equal Fahrenheit fall feet figure fire flux foot Gauge give given hammer hand hard hardened heat hole illustrated inches iron joint lead length machine malleable means melted metal method mixed Multiply necessary operated pattern perpendicular piece pipe plates points pounds practical pressure produced radius raising removed result right angles rolls round seam shape shears sheet sheet metal shown in Fig side soft solder solid solution square square inch stake steel straight line substances surface temperature thick thin triangle tube turn various vessel Weight width wire 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 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.