Prime Quick Set Engineering Compass – Prime Art

R239.00

SKU: 6009706582234 Categories: , Tag:
  • Manufactured in Germany to the highest quality standard
  • Rapid adjustment clutch mechanism and fine-tune centre wheel for precise measurement adjustment
  • Both legs have a “knee joint” and one with an interchangeable lead or adaptor insert
  • A 170mm standard length for circles up to 360mm but with the extension bar added this allows for circles up to a 600mm diameter
  • In a strong plastic case and includes spare leads and extension bar

1 in Stock.

pair of compasses, also known as a compass, is a technical drawing instrument that can be used for inscribing circles or arcs. As dividers, they can also be used as tools to measure distances, in particular on maps. Compasses can be used for mathematics, drafting, navigation and other purposes.

Before computerization, compasses and other tools for manual drafting were often packaged as a “bow set” with interchangeable parts. By the mid-twentieth century, circle templates supplemented the use of compasses. Today these facilities are more often provided by computer-aided design programs, so the physical tools serve mainly a didactic purpose in teaching geometry, technical drawing, etc.

Uses

Circles can be made by fastening one leg of the compasses into the paper with the spike, putting the pencil on the paper, and moving the pencil around while keeping the hinge on the same angle. The radius of the circle can be adjusted by changing the angle of the hinge.

Distances can be measured on a map using compasses with two spikes, also called a dividing compass. The hinge is set in such a way that the distance between the spikes on the map represents a certain distance in reality, and by measuring how many times the compasses fit between two points on the map the distance between those points can be calculated.

From Wikipedia, the free encyclopedia

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