Modern Sheet-metal Workers' Instructor: Practical Geometry, Mensuration, Properties of Metals and Alloys ...Drake, 1906 - 309 sider |
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Side 66
... round edge for wir- ing and form these locks on medium plate with ease . They will also form open or close locks . By open locks are meant such as are suitable for wiring straight work , and are formed by dropping the wing below the ...
... round edge for wir- ing and form these locks on medium plate with ease . They will also form open or close locks . By open locks are meant such as are suitable for wiring straight work , and are formed by dropping the wing below the ...
Side 102
... octagonal , hexagonal , or any other shaped hole , with straight sides , in the center of a sheet of metal 20 inches square , or less , as illustrated in Fig . 115 . They will cut round or elliptical bottoms for vessels of 102 MACHINERY.
... octagonal , hexagonal , or any other shaped hole , with straight sides , in the center of a sheet of metal 20 inches square , or less , as illustrated in Fig . 115 . They will cut round or elliptical bottoms for vessels of 102 MACHINERY.
Side 103
... round or elliptical bottoms for vessels of any size having a radius of 2 inches or more . The front table can be removed at pleasure , and chould be removed when cutting to line . By placing This table in position , as seen in the cut ...
... round or elliptical bottoms for vessels of any size having a radius of 2 inches or more . The front table can be removed at pleasure , and chould be removed when cutting to line . By placing This table in position , as seen in the cut ...
Side 113
... round rod , placing it so that the sheet will be put into the machine over it and P.S.W & CO . Fig . 126 . turn the folding bar against its round surface , making a slight bend the entire length of the sheet , and re- peat this ...
... round rod , placing it so that the sheet will be put into the machine over it and P.S.W & CO . Fig . 126 . turn the folding bar against its round surface , making a slight bend the entire length of the sheet , and re- peat this ...
Side 114
... round steel rod , against which the fold is completed , thereby preventing the edge of the frame from being worn off , P.S. & W.CO . Fig . 127 . thus rendering the folding plate more durable and in- suring a lock of uniform width of ...
... round steel rod , against which the fold is completed , thereby preventing the edge of the frame from being worn off , P.S. & W.CO . Fig . 127 . thus rendering the folding plate more durable and in- suring a lock of uniform width of ...
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Vanlige uttrykk og setninger
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
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.