10 Best compasses of 2019
- Geometry Set For All Levels Designed in USA
- Package Includes 15 Piece: 2 Metal Compasses (1 Study Compass & 1 Graphic Compass), 1 Extra Lead for Graphic Compass, 1 Metal Divider, 2 Pencils for Compass, 1 Mechanical Pencil (0.5 mm) for Compass, 1 Pack of 0.5 mm Lead for Mechanical Pencil, 1 Eraser, 1 Metal Pencil Sharpener, 1 Ruler (6"), 1 Set Square (30°/60°), 1 Set Square (45°), 1 Protractor, 1 Protractor with Swing Arm (6")
- 15 Piece Geometry Set, Compass Set in a Reusable Pouch, Easy to Carry and Store
- Inch and Centimeter Measurements
- The Math Set/Geometry Set Designed by Experienced Math Experts with All Essential Items for Teachers and Students at Any Level
- HARD SHELL DESIGN: Much more durable than the soft rubber one which can be broken due to rubber aging
- Ideal for making paracord bracelets. When you make a bracelet, leave a loose place for the the compass(see gallery picture instruction). Don't put it on thick bracelet directly
- The liquid filled in is a good tinder in emergency. Crack the cover and start a fire with a ferro rod(fire steel) easily
- Shell Size: 0.94inch x 0.94inch(24mm x 24mm). Loop size on back: 3mm x 21mm
- The NSEW letters are bright and easily readable even in dim light
- 1、Pocket compass design, beautiful style, compact and portable, compass size 48MM*12MM, with 360 degree rotating frame, easy navigation and top-down.
- 2、It's easy to read, it glows in the dark, and it's easy to read in any weather. External dials and "N" pointers glow in the dark when exposed to sunlight or light. The longer the exposure time is, the longer the luminescence time is.
- 3、It has a wide range of uses and is very suitable for outdoor activities such as camping, hiking, mountain climbing, exploration, geology, hunting, navigation, boating and so on.
- 4、Suitable for crowds, seafaring, mountain climbing, explorers, rescue professionals, friends, children, school students, excellent gifts
- 5、After-sales guarantee: We are responsible for every buyer. If you have any questions about our products, please contact us for the first time. In addition, the return, replacement and refund services provided within 2 months, please feel free to purchase.
- 1 High Quality Professional Compass/Divider For Math, Geometry, Art, Drafting And Drawing, Creates Circles Up To 9 Inches In Diameter
- Precision Geometry Compass With Spring Bow Head And Center Wheel Prevents Unintentional Leg Movements
- All Metal, Nickel Plating Compass, Lifelong Satisfaction Guaranteed
- FREE LIFE TIME Lead Replacement, Contact us via Amazon and we will ship them to you for free. 2 Pieces Of Spare Lead Includes in The Package.
- Packaged In A Clear, Reusable Pouch. Easy To Carry And Store
- PROFESSIONAL GRADE: This professional grade military compass will always lead you in the right direction. Ideal for camping, military usage, emergencies, and anywhere the beaten track takes you
- ERGONOMIC DESIGN: The lensatic function increases the reading's accuracy with a lens on the rear sight that magnifies the card dial - so you'll always get an accurate reading
- MILITARY CONSTRUCTION: Tough and tenacious, the military construction with waterproof and shakeproof properties is built to survive the harshest of hikes
- PORTABLE: Keep the compass near you with a belt loop attachment, or place it safely in your pocket with a carrying case, so you can keep your hands gripped on the mountain you're scaling
- FLUORESCENT: The compass' interface glows in the dark, so even when night falls, you can still soldier on
- Official US Military Tritium Lensatic Compass Box
- Waterproof Yes
- Carrying Pouch & Belt Clip
- Solid Brass Compass Antiquated Brass Finish With Thoreau's Quote "GO CONFIDENTLY IN THE DIRECTION OF YOUR DREAMS LIVE THE LIFE YOU HAVE IMAGINED".
- Under the glass cover is a beautiful, detailed copper compass.
- The Thoreau's passage is engraved in under the top cover of the compass..Size-Compass: 50mmX18mm, Leather Case:3.5x3.5x0.8 inches.
- A truly impressive and unique gift for your loved one and for various occasions. Father's day gifts, Christmas gifts
- A free brass keyring is sent along as a gift. Custom design/finish compass can order direct to NeoVivid
- Solid Brass Compass In Antiquated Brass Finish With Thoreau's Quote "GO CONFIDENTLY IN THE DIRECTION OF YOUR DREAMS LIVE THE LIFE YOU HAVE IMAGINED".
- Under the glass cover is a beautiful, detailed copper compass that is marked with Neovivid
- Size-Compass: 50mmX18mm, Leather Case:2.5x2.5x1inches. A truly impressive and unique gift for your loved one and for various occasions. Father's day gifts, Christmas gifts
- The compass on chain comes with an impressive hand stitched leather case stamped with J. R. R. Tolkien "NOT ALL THOSE WHO WANDER ARE LOST"
- A free brass keyring is sent along as a gift. Custom design/finish compass can be ordered to NEOVIVID
- 【SIZE】 Outside Diameter: 20mm, Height: 6.5mm. Compact Size Easy For Smaller Hands To Handle.
- 【MATERIAL】 Plastic Hard Shell, Clear Dome Top And Black Flat Bottom, Easy To Read Compass Dial.
- 【HANDHELD COMPASS】 Perfect For Your Scouting Group, Outdoor Compass Give You A Quick Reference To Cardinal Direction For On The Go Navigation.
- 【PACKAGE INCLUDED】 24X / 50X Pocket Compass, Offers 12 Months Product Guarantees & Friendly Customer Service.
- 【WARRANTY】 We Provide A 30-Day Refund Service And 12-Month Hassle-Free Warranty, If There'S Any Problem With Our Product, Please Contact Us. You Can Get A Replacement Or A Full Refund Immediately.
- Pocket compass design, beautiful style, compact and portable.
- Outdoor camping compass scale is clear and the pointer is very accurate.
- High quality metal case, the mirror-finished surface is smooth and bright and looks very nice.
- Ideal for hiking, camping and outdoor activities, it is a great gift for friends, kids, and families.
- Kindly remind that please place the compass on a horizontal level to make it work correctly, and make it stay away from other magnetic objects that may disturb it's function.
Of the compasses represents an indispensable tool in many areas that is used on a daily basis. So finds the compasses as a calculation tool application both in school and in mathematics studies, as well as in the profession of a technical draftsman. It has a long tradition and is offered in many different versions today.
Circle – Historical
As a mathematical instrument the compasses in the ancient. In addition to the ruler, he presented the only permitted aid for designing geometric objects. For only these two instruments corresponded to the Platonic ideals of circle and line. To date, the compasses next to the ruler, the only tool to perform geometric drawing operations.
The first compasses Collections were created in the 16th century. These were particularly valuable and elaborate models. The production of circles then flourished in the 18th century. Here, famous instrument makers presented various compass models. Among them, in particular, the manufacturers Adam from London, Butterfield from Paris and Brander from Augsburg to mention. The industrial production of circles, however, finally experienced their full upswing in Germany at the end of the 19th century. Especially the manufacturers Reiss, Ditzingen, Haff, Richter, Riefler and Boden stood out with their models.
Circle – General
A compass consists of two equally long metal rods, which are connected at the end. One of these bars has a tip at its end. This serves to fix the circle on the base. By fixing on the base a Kreismittelpunt is determined. The radius is set with the distance of the second rod to the first. While the tip is at the end of the first rod, the end of the second rod contains a device for drawing. Depending on the applied base, this may be an ink or a pencil lead. The ink is usually used on parchment, and that in technical drawings. For the paper as a base, the pencil lead is used in most cases. If the compass is used on the leather, a chalk is usually used for drawing. Metallic documents, however, require a scriber. Even for one school boardThere are executions of the circle. These are large circles whose legs are equipped with flat rubber feet to attach to the board.
The theory of ideas divides the circles into collapsing and non-collapsing circles. Here, under a collapsing circle a mental Toolunderstood, but with which you can not take a radius to transfer this to the other center, as this would snap when lifted.
Non-collapsing circles are real existing circles and are subdivided into dividers, fallunullets, pole circles and an improvised circle.
Dividers have one tip per leg. They do not serve to draw but to grasp lengths along curves. They come in navigation for a map, such as the sea, for use as well as for scoring radial lines in a natural stone, which is processed by stonemasons. A large field compass for measuring outdoor distances is called field compass.
Falling circles are used to draw very small circles, which are about one millimeter in diameter.
Columns are used to draw large circles with a diameter of up to 60 cm in radius. The two points are located on a metal bar and can be moved in parallel.
An improvised circle has a needle to set the center and a string to determine the radius. The ends are wrapped around the pin and the needle.
All these circles are today characterized by an excellent technique that allows them to work with the utmost precision. The compasses used in the school are offered in various deisgns and in different colors. With these circuits, you can even purchase quick-release compasses to further simplify their operation for students. Such models are also popular in mathematics studies. Meanwhile, they are available in different price ranges with different quality.
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*Last update on 2019-09-26 / Affiliate links(we get a commission when you buy on amazon) / Images from Amazon Product Advertising API