File:Nocturnal (instrument) - transparent.png

DescriptionNocturnal (instrument) - transparent.png	A nocturnal as costume jewellery. This is a functioning nocturnal, though only about 5 cm tall. It shows the month ring on the outside in brass. The inner disk shows the time and has an indicator on one edge. By setting the indicator to the month and day (in this case a few days into October), centring Polaris in the hole in the middle and rotating the pointer attached to the centre to a specified circumpolar star, the arm indicates the time (in this case, 8 pm)
Date	22 August 2009, 09:18 (UTC)
Source	Nocturnal_(instrument).jpg
Author	Nocturnal_(instrument).jpg: Michael Daly derivative work: Henrykus (talk)
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: background transparent. The original can be viewed here: Nocturnal (instrument).jpg: . Modifications made by Henrykus.

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Original upload log[edit]

This image is a derivative work of the following images:

• File:Nocturnal_(instrument).jpg licensed with PD-self
  • 2007-09-30T17:49:26Z Michael Daly 652x892 (50801 Bytes) {{Information |Description=A nocturnal as costume jewellery. This is a functioning nocturnal, though only about 5 cm tall. It shows the month ring on the outside in brass. The inner disk shows the time and has an indicator on

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