Passage: Hauksbee published accounts of his experiments in the Royal Society's journal Philosophical Transactions. In 1709 he self-published Physico-Mechanical Experiments on Various Subjects which collected together many of these experiments along with discussion that summarized much of his scientific work. An Italian translation was published in 1716.A second edition was published posthumously in 1719. There were also translations to Dutch (1735) and French (1754).

Question: What year were these works self-published in?
1709