TY  - JOUR
T1  - A Letter from the Reverend Dr Wallis, Professor of Geometry in the University of Oxford, and Fellow of the Royal Society, London, to Mr. Richard Norris, concerning the Collection of Secants; And the True Division of the Meridians in the Sea-Chart
JF  - Philosophical Transactions (1683-1775)
VL  - 15
SP  - 1193
EP  - 1201
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1685.0067
M3  - doi:10.1098/rstl.1685.0067
AU  - Wallis, D.
ER  -