Ad
related to: modern uses of compasses made of metal and water to make onetemu.com has been visited by 1M+ users in the past month
- Men's Clothing
Limited time offer
Hot selling items
- Crazy, So Cheap？
Limited time offer
Hot selling items
- Biggest Sale Ever
Team up, price down
Highly rated, low price
- Where To Buy
Daily must-haves
Special for you
- Men's Clothing
Search results
Results from the WOW.Com Content Network
A modern military compass, with included sight device for aligning. A compass is a device that shows the cardinal directions used for navigation and geographic orientation. It commonly consists of a magnetized needle or other element, such as a compass card or compass rose, which can pivot to align itself with magnetic north.
Compasses are usually made of metal or plastic, and consist of two "legs" connected by a hinge which can be adjusted to allow changing of the radius of the circle drawn. . Typically one leg has a spike at its end for anchoring, and the other leg holds a drawing tool, such as a pencil, a short length of just pencil lead or sometimes a
In 1399, an Egyptian reports two different kinds of magnetic compass. One instrument is a “fish” made of willow wood or pumpkin, into which a magnetic needle is inserted and sealed with tar or wax to prevent the penetration of water. The other instrument is a dry compass. [65] Navigational sailor's compass rose, 1607
A compass must be balanced to counter the tendency of the needle to dip in the direction of the Earth's field. Otherwise, it will not spin freely. Often, compasses that are balanced for one latitude do not work as well at a different latitude. This problem was first reported by Georg Hartmann, a vicar in Nuremberg, in 1544.
Rulers used in technical drawing are usually made of polystyrene. It is used for drawing lines and connecting points. Rulers come in two types according to the design of their edge. A ruler with a straight edge can be used with lead pencils and felt pens, whereas when a technical pen is used the edge must be grooved to prevent the spread of the ...
The television goggles used small cathode-ray tubes for the display and included a separate screen for each eye, much like modern VR headsets. The large antenna made this device look alien-like ...
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. [1] The instrument can be as a whole, or made on the spot with individual sockets (called trammel points) and any suitable beam.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Ad
related to: modern uses of compasses made of metal and water to make onetemu.com has been visited by 1M+ users in the past month