TY  - JOUR
T1  - A Letter to the Right Honourable George Earl of Macclesfield, President of the Royal Society, on the Advantage of Taking the Mean of a Number of Observations, in Practical Astronomy: By T. Simpson, F. R. S.
JF  - Philosophical Transactions (1683-1775)
VL  - 49
SP  - 82
EP  - 93
PY  - 1755/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1755.0020
M3  - doi:10.1098/rstl.1755.0020
AU  - Simpson, T.
ER  -