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Black room first lamp black then sand then black. Candles 127 [[?]] instead of 120 English best stop when candle gutters [[?]] dish large [[?]] [[end page]] [[start page]] [[in pencil]] 17 Com. Powell proposes to dig a cellar into the bank in the rear of the Depot at S.I. for oil to be covered with row beams and brick arches [[line]] Let = a = length of scale x = longer part then a -x = other n = number of candles then (a-x)[[superscript 2]]x1 = nxx[[superscript 2]] a[[superscript 2]] - 2ax + x[[superscript 2]] = nx[[superscript 2]] nx[[superscript 2]] - x[[superscript 2]] + 2ax = a[[superscript 2]] x[[superscript 2]](n-1) + 2ax = a[[superscript 2]] x[[superscript 2]] + ((2a)/(n-1))x = a[[superscript 2]]/(n-1) x[[superscript 2]] + (2ax)/(n-1) + a[[superscript 2]] / (n-1)[[superscript 2]] = a[[superscript 2]]/(n-1) + a[[superscript 2]]/(n-1)[[superscript 2]]