Iroquois LonghouseIroquois longhouses were found in the area that is now the state of New York. Alonghouse had a framework built of posts and poles and was covered with sheets of bark.Different types of trees were used in various parts of the building.A strong stiff treewould be used for the outer posts.roquois LonghouseIroquois longhouses were found in the area that is now the state of New York. Alonghouse had a framework built of posts and poles and was covered with sheets of bark.Different types of trees were used in various parts of the building. A strong stiff treewould be used for the outer posts.
Evidence suggests that the magnetic compass was invented in China between 221 and 206 B.C. The earliest compasses were not used for navigation, but for fortune-telling. Chinese compasses became navigational orienteering devices between 1040 and 1044 A.D. and were used as maritime navigational devices by 1117 A.D.
It is not possible to state with certainly who actually invented the first compass. But it may have been in use by the time of the Qin dynasty (221-206 BC). The earliest compasses were lodestones. This mineral is made of iron oxide which orients itself to a north and south axis.In 1117 Zhu Yuâs book Pingzhou Table Talks came out. It was the first time in the history of the compass that the device was mentioned as a tool for navigation.From the 800s to the 1040s, the Chinese referred to magnetism and magnetic needles in many of their books. Their exact use prior to the 1100s was for building edifices.n 1117 Zhu Yuâs book Pingzhou Table Talks came out. It was the first time in the history of the compass that the device was mentioned as a tool for navigation. From the 800s to the 1040s, the Chinese referred to magnetism and magnetic needles in many of their books.