TY - JOUR T1 - An Examination of Sea-Water Frozen and Melted Again, to Try What Quantity of Salt is Contained in Such Ice, Made in Hudson's Streights by Capt. Christopher Middleton, F. R. S. at the Request of C. Mortimer, R. S. Secr. JF - Philosophical Transactions (1683-1775) VL - 41 SP - 806 EP - 807 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1739.0143 M3 - doi:10.1098/rstl.1739.0143 AU - Middleton, C. ER -