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Circle Master Compass: Brown

Average Rating (6 customer reviews)    Create your own review
 

These compasses are the greatest. I have taught physics and math for 15 years, and I don't even ask students to buy compasses anymore because the usual available compasses are so frustrating. I have plenty of these, I keep them stocked with special pencils to avoid the switching in and out. Mine are numbered with sharpie, and I keep them in the cheap plastic sliding pencil boxes with the snaps. Students are assigned a compass at the beginning of the year for Geometry class and can take it home. The brown ones seem more reliable - I have some neon yellows that don't work as well.
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I'm looking at one I bought about forty years ago, right now. I went through a lot of cheaply made compasses until I found this one. Its built so well, I expect it will outlast me!
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These compasses are an excellent choice for middle schoolers first learning how to work with a compass, as long as the students can respect the very sharp point. Because you can lock in both the angle and the pencil length with one movement, they require less fiddling or adjusting than other compasses. They are very sturdy, reliable, and accurate enough for most applications. I highly recommend them.
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This is my favorite compass for high school physics/math. Easy to set radius, doesn't slip, nearly indestructable. Center point is very, very sharp, which is what you want for quality work, but perhaps too dangerous for lower grades than high school.
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This compass works great, and does its job very well. It doesn't slip or slide, and makes a perfect circle.

However, it has a painfully sharp point, leading to blood almost every time I have made contact with it. It is too dangerous, especially for younger kids who will use it.

EAI's response: Thanks so much for your review! Due to the nature of compasses needing to stay in place to make perfect circles, sharp points are an important element. We are, however, in the process of redesigning this compass with a safety tip. Look for a new version soon!
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I do custom, professional woodwork/cabinetry. This compass I originally bought for 8 grade geometry has gotten more of a workout in a professional environment than I used it for school because adjustment is fast, versatile and easy to store. And because of that, it's my favorite compass. After 40 years someone broke the stylus - I am so happy I found this site with replacement parts.
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