tag="{http://www.w3.org/1999/xhtml}a">86.

  Double Stars   288 87.   Old Drawing of the Cluster in Hercules   290 88.   Old Drawing of the Andromeda Nebula   291 89.   The Great Nebula in Orion   292 90.   Planetary Orbits to scale   297 91.   Diagram illustrating Parallax   307 92.   The Königsberg Heliometer   312 93.   Perturbations of Uranus   320 94.   Uranus' and Neptune's Relative Positions   325 95.   Meteorite   333 96.   Meteor Stream crossing Field of Telescope   334 97.   Diagram of Direction of Earth's Orbital Motion   335 98.   Parabolic and Elliptic Orbits   340 99.   Orbit of Halley's Comet   341 100.   Various Appearances of Halley's Comet when last seen   342 101.   Head of Donati's Comet of 1858   343 102.   Comet   344 103.   Encke's Comet   345 104.   Biela's Comet as last seen in two Portions   346 105.   Radiant Point Perspective   348 106.   Present Orbit of November Meteors   349 107.   Orbit of November Meteors before and after Encounter with Uranus   351 108.   The Mersey   355