@article{515489,
      note = {Anonymous. By Henry Owen.},
      author = {Owen, Henry,},
      url = {http://library.usi.edu/record/515489},
      title = {Harmonia trigonometrica or, a short treatise of  trigonometry: wherein the harmony between plane and  spherical trigonometry is clearly exhibited, and thereby  all the Difficulties and Perplexities of the latter are  entirely removed; so that both are render'd equally easy,  their similar Cases being solved by Theorems materially,  and almost verbally the same. [electronic resource] :},
      publisher = {printed for Edward Cave, at St John's Gate,},
      recid = {515489},
      pages = {29[i.e.31],[1]p.,plate ;},
      address = {London :},
      year = {1748},
}