 Complete the following phrase:  Following the Black Friday Bushfires in 1939, which impacted the area, a telephone was installed for the use of volunteers using the tower as an observation post for fires. Forests Commission Victoria included the tower as part of its fire-watching network and it was the command post when significant bushfires took place locally in 1962. An enclosed cabin cover was erected on the top of the tower in 1974. The advice of Mr Meldrum, the architect of the memorial was sought and he agreed that the proposed shelter could be added without aesthetic damage. On 