• Entry in subject-index under: Optics.
  • Entry in cat. under Nature.
  • Contents: Astronomical observations made at St. Helena / by Edmund Halley.
  • Entry in cat. under Mathematics.
  • Contents: Letter containing several anatomical observations / by James Young.
  • Contents : Observations made on the new phosphori / Mr. Boyle.
  • Contents: Hypothesis and geometrical problem about comets / by Sir Christopher Wren.
  • Contents: Two letters concerning some late microscopical discoveries / by Antonius van Leeuwenhoek.
  • Contents: Accusations conc. microscopical observations answered / by Cherubine.
  • Contents: Observations of the diurnal motion ... / by Mr. Cassini.