William Christie, Astronomer Royal
RH says.... This was the half-mirror spectroscope designed by Christie himself - if you click on the 28-inch link above you will see a photograph of Maunder using it.
Joining the 2009 International Year of Astronomy's Cosmic Diary project, this blog transcribes 19th-century working journals kept by the Astronomer Royal and Chief Assistant of the Royal Observatory in Greenwich. Transcription and comments are provided by a 21st-century curator working on the same site.
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