In This Video I Will Make A Trammel Points / Beam Compass. If You Like This Video Then Click On Like And Also Subscribe My Channel For More New Videos.
A beam compass is a compass with a beam and sliding sockets or cursors for drawing and dividing circles larger than those made by a regular pair of compasses. The instrument can be as a whole, or made on the spot with individual sockets (called trammel points) and any suitable beam.
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Like a fly that wanders into a flashlight’s beam, a young star’s planet-forming disk is casting a giant shadow, nicknamed the “Bat Shadow.” Hubble’s near-infrared vision captured the shadow of the disk of this fledgling star, which resides nearly 1,300 light-years away in a stellar nursery called the Serpens Nebula.
This compact, self-measuring beam compass draws circles or arcs with a 3-1/2" to 72" radius. Set the tape at the desired radius, locate the center point and draw your arc or circle. The positive locking tape retracts into the compass body like a tape measure. It also works as a straight-line marking gauge.
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Feb 09, 2011 · Warren Mears snapped back, looking up from drawing the magic circle. He was growing very tired of Andrew’s constant whining. “Now shut up and finish getting the rest of the stuff ready.” Rolling his eyes in exasperation, Warren finished using the beam compass to draw a perfect chalk circle on the library’s floor.
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