<Ul> <Li> Magnetic needle </Li> <Li> Eye vane </Li> <Li> Eye slit </Li> <Li> Eye hole </Li> <Li> Mirror (adjustable) </Li> <Li> Glass cover </Li> <Li> Graduated ring </Li> <Li> Lifting lever </Li> <Li> Lifting pin </Li> <Li> Metal box (85--100 mm dia) </Li> <Li> Focussing stud </Li> <Li> Object vane </Li> <Li> Sun glasses </Li> <Li> Sliding arrangement for mirror </Li> <Li> Horse hair </Li> </Ul> <Li> Mirror (adjustable) </Li> <Li> Metal box (85--100 mm dia) </Li> <Li> Sliding arrangement for mirror </Li>

Draw the figure of prismatic compass and indicate the parts