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Theory of least squares applied to the problems arising in our observatory by Arthur George Smith, 1895

Theory of Least Squares Applied to the Problems Arising in our Observatory by Arthur George Smith, 1895, Page 71

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[page]66[/page] by substituting this value in the formula t=(i)/(F sin 1") in F=(i)/(t sin 1") i=0.0377in t=32.532[superscript][?delta?][/superscript] sin 1"=0.00000485 t must be reduced to seconds of arc by multiplying by 15 ; the formula then becomes F=(i)/(15t sin 1") and substituting values in this formula we have F=15.94in The value of i as found above differs so slightly from 3/30 of an inch that it seems highly probable that the 0.002in difference is due to error in measurement and that the true value in the one designed by the makers was 3/80 of an inch [?or?] 0.0375in.
 
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