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.
In 1908 gyroscopic compass was invented, which kept the compass pointing not to the magnetic north but to the north of real earth. The market has variety of compasses suiting the specific requirement of the individual.The variety of compasses include field compass, map navigation compass, mirror compass etc.t is used for aviations, camping, hunting and other traveling purposes while moving from one place to another. No records confirm that who invented or when compass invented but it was was believed that compass came into existence in the first century and was used by the Chinese.