[DOC] [TLE] Early Chinese Compass  400 BC - MagLab [PAR] Dec 10, 2014 ... The first compass was used not to point people in the right direction literally, ... 
the invention of the compass, an instrument that indicates direction. ... an ancient 
Chinese practice that has evolved into a decorating trend. ... People usually built 
early compasses using lodestone, a special form of the mineral... [DOC] [TLE] Compass - Wikipedia [PAR] A compass is an instrument used for navigation and orientation that shows 
direction relative to ... The first compasses in ancient Han dynasty China were 
made of lodestone, .... A thumb compass is a type of compass commonly used in 
orienteering, ..... By carefully recording distances (time or paces) and magnetic 
bearings... [DOC] [TLE] Early Navigation Tools - Compass Rose Geocoin [PAR] Provides a history of how ancient people navigated the world. ... The most basic 
form used by the Vikings was to glue a lodestone on top of a small piece of... [DOC] [TLE] Ancient Greece: Electricity , Magnetism and Pyroelectricity - Mlahanas [PAR] Amber was used in antiquity for decoration, often with alloys of gold and ... The 
magnetic compass is one of the first scientific instruments to have been used 
extensively. ... Ancient documents describe pieces of lodestone, or magnetite, 
several ... of iron and rings suspended from one another to form quite a long 
chain; and... [DOC] [TLE] Smith College Museum of Ancient Inventions: Compass [PAR] Earliest records show a spoon shaped compass made of lodestone or ... The 
spoon-shaped instrument was placed on a cast bronze plate called a ... Primarily, 
the compass was used for geomancy for a long time before it was used for 
navigation ... markings of the heaven's plate around its circumference, in a 
simplified form. [DOC] [TLE] Navigation and Related Instruments in 16th-Century England - Fort ... [PAR] By the dawn of the sixteenth century, the ancient art of navigation had begun to 
develop ... Only one transversal was used at a time, its selection being based 
upon the height of ... A lodestone, or piece of naturally magnetic iron ore, was 
used to... [DOC] [TLE] Magnetic Compass A compass is an instrument containing a freely ... [PAR] Chinese fortune tellers used lodestones (a mineral composed of an iron ... The 
first person recorded to have used ... properties of magnetism in ancient times. [DOC] [TLE] Navigation Before Netscape - History Magazine [PAR] Nicky Nielsen tells the story of the ancient battle between Hannibal Barcas ... 
explorers were soon well armed with an impressive array of instruments. ... They 
could also take soundings of water depths, keep track of time and measure their 
speed. ... Lodestones weren't practical to use as compasses, but the Chinese had
... [DOC] [TLE] Non-European compasses | Explore Royal Museums Greenwich [PAR] Search form ... Early compasses used an iron needle magnetised by a piece of 
lodestone, or magnetite, a naturally ... Through the position of the heavens at the 
time of birth the astrologer sought to predict the future. As well as an instrument of 
prediction, the astrological compass could also be used as a navigation aid. [DOC] [TLE] Early History of Electricity and Magnetism [PAR] The ancient Chinese discovered lodestones independently, and in addition 
found ... The era of new ideas, art and instruments which followed became known 
as the ... "soft iron" with little carbon, used in baling wire, fences and coat hangers
. [DOC] [TLE] How compass is made - material, making, history, used, parts ... [PAR] A compass is a device used to determine direction on the surface of the earth. ... 
By 500 B.C. , it was known that lodestone, a naturally occurring form of iron oxide 
... Gowin Knight developed a method for magnetizing steel for long periods of 
time. .... Compasses are very reliable instruments, but they are useless if the user
... [DOC] [TLE] NOVA - Official Website | Secrets of Ancient Navigators - PBS [PAR] Oct 6, 1998 ... They may have followed clouds, which form over land, or odors, which can ... 
distance that mariners can measure with as simple an instrument as one's ... But 
no one

Question: In ancient times, lodestone was used as a form of this instrument
Answer: Compass