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x+a/n-1 = √ na[[superscript 2]] -a[[superscript 2]]  +a[[superscript 2]] /(n-1)[[superscript 2]]

x = a√n/n-1 - a/ n-1 = a(√n-1)/n-1

[[line]]
April 10th weighing candle in the lower office 65
25 : 52 :: 60 : 125
30 : 62 :: 170 : 126
35 : 73 :: 60 : 125
40 : 83.5 :: 60 : 125
45 : 94 1/2 :: 60 . 126
50   106 :: 60 127
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                125 2/3

  15
  18
   1
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6)34       5 2/3
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[[in pencil]] 19

[[image - ink drawing:flask with No 1 written in the bulb]]

standard oil 58°=95
No 1 at 57 " [[ditto for: oil]]  95
" [[ditto for: No]] 3 " [[ditto for: at]] 52 " [[ditto for: oil]] 105
" [[ditto for: No]] 3 at 59 " [[ditto for: oil]] 93
No 1 has cork in the cockway holds very little more than two pints of water. Hole through which the liquid runs about 1/4 very nearly.