Battery (Ore Crusher) - VIC

Mt Onslow Gold Mine ore processing site, (battery or crusher), In Operation from the early 1890s to early 1900s? Remains include an old corrugate iron chimney, a line shaft and pulley, section of light metal pipe as wells heavy cast pressure pipe (6"-150mm) and a "Danks" gate valve manufactured in Melbourne. In the creek bed are 2 corrugate half tanks used to process the crushing's (sand) with Cyanide as part of relieving the gold from the Ore. Other remnants are lost in the under growth (again) returning from the 2019-20 bushfires. There is also a water race heading upstream along the eastern slop. The Battery was obviously taken to be used else where?