sector example sentences. Last week, I showed you 1. Its vital feature is a pair of jointed legs, which carry paired geometrical scales. Thus, a sector of 6 inches, such as is supplied in the common pocket cases of instruments, forms a rule of 12 inches when opened; and this circumstance is taken advantage of, by filling up the spaces not occupied by the sectorial lines with such lines as it is most important to lay down upon a greater length than the 6-inch plain scale will admit. Despite its simple nature, I thought this discussion could benefit from some visuals. Different versions of the instrument also took different forms and adopted additional features. The sector was invented, essentially simultaneously and independently, by a number of different people prior to the start of the 17th century. […] Click here for part 2 in this series: How to use a sector […]Fill in your details below or click an icon to log in:Enter your email address to follow this blog and receive notifications of new posts by email. In this case, it is the number 2 mark.3. A final way to use sector ETFs could be to exclude certain sectors from your portfolio. How to use sector in a sentence. The sector is an excellent tool for proportioning your furniture designs quickly and accurately. Start by aligning the sector with the edges of the space you are dividing. They are small affairs that were intended more for calculations on the drafting board – not in the shop. Galileo's earliest examples were intended to be used as gunner's levels as well as calculating devices.

Learn how to use Sector using many example sentences. In use, problems are set up using a pair of dividers to determine the appropriate opening of the jointed legs and the answer is taken off directly as a dimension using the dividers. Now, go out there and find yourself an old folding rule. The type publicised by Hood was intended for use as a surveying instrument, and included not only sights and a mounting socket for attaching the instrument to a pole or post, but also an arc scale and an additional sliding leg. This article is about sector compasses. The following is a description of the instrument as it was constructed by Galileo, and for which he wrote a popular manual. No complicated math. And, it only took a few seconds to complete.

Specialised scales for area, volume and trigonometrical calculations, as well as simpler arithmetical problems were quickly added to the basic design. Four perfectly spaced divisions. You can easily make your own from two sticks and a hinge, which is what I did last week here on the blog. The divisions of this scale use the function: These Added Lines are marked with two series of numbers, of which the outer series begins at a certain mark called The instrument can be used to graphically solve questions of proportion, and relies on the principle of similar triangles. How to use sector in a sentence. The sector, also known as a proportional compass or military compass, was a major calculating instrument in use from the end of the sixteenth century until the nineteenth century.It is an instrument consisting of two rulers of equal length joined by a hinge. Sector definition is - a geometric figure bounded by two radii and the included arc of a circle. How to Use a Sector … For sector mass spectrometers, see For example, technology in the U.S. currently appears expensive on valuation metrics. Next, without adjusting the sector, align a divider with the proper marks. The innermost scales of the instrument are called the Arithmetic Lines from their division in The next scales are called the Geometric Lines and are divided in The Stereometric Lines are so called because their divisions are according to the These lines have divisions on which appeared these symbols: Au, Pb, Ag, Cu, Fe, Sn, Mar, Sto, (From the given information, the side length and the number of sides, the Polygraphic lines yield the radius of the Tetragonic Lines are so called from their principal use, which is to square all regular areas and the circle as well. Simple.If you have any questions, don’t hesitate to let me know in the comments. The terminating values are arbitrary and varied from manufacturer to manufacturer. A number of scales are inscribed upon the instrument which facilitate various mathematical calculations. Since I am dividing the space into 4, equal segments, I align it with the number 8 mark.2. Last week, I showed you how to make a sector from an old folding rule. I don’t recommend you try to purchase a real sector. The sector is an excellent tool for proportioning your furniture designs quickly and accurately.

Example sentences with the word sector. I also discussed how to use it. Learn collocations of Sector with free vocabulary lessons. Next,  walk off your divisions with the divider.That’s it.


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