Federation University Historical Collection
Sample calculations, Handwritten Calculations for Mine Battery Head function and Earth Surface Areas, 1889
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(.1) Calculations of Battery head function.
(.2) Calculations for Earth Surface Areas with teachers (?) comments.
(.3) Calculations for Earth Surface Areas with teachers (?) comments. (.1) folded in half.
(.2 and ( .3) folded in three. 'M. Burrett' written on back of (.3)calculations, ballarat school of mines battery, ballarat schoo of mines model mine
