TY - JOUR T1 - The Undertakings of Mr. Henry Bond Senior, a Famous Teacher of the Art of Navigation in London, Concerning the Variation of the Variation of the Magnetical Compass and the Inclination of the Inclinatory Needle; as the Result and Conclusion of 38. Years Magnetical Study JF - Philosophical Transactions (1665-1678) VL - 8 SP - 6065 EP - 6066 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1673.0027 M3 - doi:10.1098/rstl.1673.0027 AU - Bond, H. ER -