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A narrative of the two aerial voyages of doctor Jeffries with mons.: Blanchard; with meteorological observations and remarks. The first voyage: on the thirtieth of november, 1784, from London into Kent : the second, on the seventh of january, 1785, from England into france. By doctor Jeffries. Presented to the royal society, april 14, 1785; and read before them, january, 1786

A narrative of the two aerial voyages of doctor Jeffries with mons. Blanchard with meteorological observations and remarks . The first voyage , on the thirtieth of november , 1784 , from London into Kent ; The second , on the seventh of january , 1785 , from England into France