TY  - JOUR
T1  - Dr. Halley's Quadrature of the Circle Improved: Being a Transformation of His Series for That Purpose to Others Which Converge by the Powers of 80. By the Rev. John Hellins, Vicar of Potter's Pury, in Northamptonshire. Communicated by Nevil Maskelyne, D. D. F. R. S. and Astronomer Royal
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 84
SP  - 217
EP  - 222
PY  - 1794/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1794.0019
M3  - doi:10.1098/rstl.1794.0019
AU  - Hellins, J.
AU  - Maskelyne, N.
AU  - Halley, D.
ER  -