While only one patent model for a protractor survives in the Smithsonian collections—from an inventor with a colorful personal history—several of the other objects also provide examples of technical ...

As noted in the Introduction, the earliest use of protractors was probably in navigation. Protractors assisted with laying out angles to indicate the actual or desired direction of a ship. Makers ...

Whether you want to create an SVG file or simply convert a PNG to a SVG, we’ll help you find the right solutions for creating a vector graphic. A vector graphic is not based on pixels ...

Draw an angle of 50°. Step 1: Draw a straight line using a ruler. Step 2: Place the centre (cross section) of the protractor at one end of the line. This will become the vertex (corner ...

A wide variety of protractors and angle gages are available that vary in construction and application. Angle squares consist of a square with angular graduations along the longest face or hypotenuse.

These multiple tasks are possible because these sets have a series of optional heads (square, center or protractor). Fixed Angle Gage Angle gages have a series of fixed angles for comparative ...

This makes them smaller than a right angle. These steps are really important - if the protractor isn’t lined up properly with the angle, you won’t get a correct reading. Step 3: See which ...