[57north-discuss] Silly question

[Uk Mail]

Hi all,
Am in a holiday cottage in Blair Atholl  and these blue-LED-lit doodads [1]
are in a few rooms. No markings or labels. They aren't making me crave axle
grease or anything  [2]. What are they?
In anticipatory gratitude,
Utkarsh.

[1]
https://drive.google.com/file/d/0B_labdEw1FZib19zNjNyTkUxVzg/view?usp=drivesdk

[2] Asimov, Some Venus-based story [a]

[a] Possibly mangled recollection of said story.

PS - Mods, apologies for previous attempt at email with large attachment.
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