TY  - JOUR
T1  - April 21, 1772. Experiments on Two Dipping-Needles, Which Dipping-Needles Were Made Agreeable to a Plan of the Reverend Mr. Mitchell, F. R. S. Rector of Thornhill in Yorkshire, and Executed for the Board of Longitude, by Mr. Edward Nairne, of Cornhill, London
JF  - Philosophical Transactions (1683-1775)
VL  - 62
SP  - 476
EP  - 480
PY  - 1772/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1772.0036
M3  - doi:10.1098/rstl.1772.0036
AU  - Mitchell, M.
AU  - Nairne, E.
ER  -