Example image of eyePlorer eyePlorer map for 'Dunsink Observatory': Astronomy Dublin Ireland Observatory Algebra Commutativity Quaternion William Rowan Hamilton Hamiltonian mechanics Astronomical seeing Telescope Dublin Institute for Advanced Studies William Frederick Archdall Ellison 1792 in science John Louis Emil Dreyer Broom Bridge John Brinkley (astronomer) Mervyn A. Ellison John Hellins John Birmingham (astronomer) List of observatory codes History of quaternions
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