@article{502383,
      recid = {502383},
      author = {Martin, Benjamin,},
      title = {Directions for the use of a new hydrostatic ballance  [electronic resource].},
      address = {[London,},
      pages = {1 sheet ;},
      year = {1775},
      note = {Anonymous. By Benjamin Martin.},
      url = {http://library.usi.edu/record/502383},
}