TY  - JOUR
T1  - Introduction to the Following Observations, Made by Messieurs Charles Mason and Jeremiah Dixon, for Determining the Length of a Degree of Latitude, in the Provinces of Maryland and Pennsylvania, in North America; By the Reverend Nevil Maskelyne, B. D. F. R. S. Astronomer Royal
JF  - Philosophical Transactions (1683-1775)
VL  - 58
SP  - 270
EP  - 273
PY  - 1768/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1768.0041
M3  - doi:10.1098/rstl.1768.0041
AU  - Mason, C.
AU  - Dixon, J.
AU  - Maskelyne, N.
ER  -