Monday July 30, 1894

Arranged mounting of reflecting prism for spectroscope on adapter carried by telescope. This work was put in hand by Niblett.

William Christie, Astronomer Royal

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RH says..... The spectroscope used on the 28-inch telescope was designed by Christie, though as we see here it was the indispensable Niblett who undertook the practical work. The spectroscope can be seen in use in the photograph if you click on the link above.