Main brace
Definition of main brace
The platform at the mouth of a shaft, to which the trucks of auriferous dirt are removed from the cage. – The Gold Fields and Mineral Districts of Victoria, 1869.
Encyclopedia of historical gold mining terms
Encyclopedia of historical gold mining terms
The platform at the mouth of a shaft, to which the trucks of auriferous dirt are removed from the cage. – The Gold Fields and Mineral Districts of Victoria, 1869.