#astronomy
James Ferguson's 'Luminarium', a very rare card #volvelle (~1760).
For any date, the volvelle provides the duration of the semi-diurnal arc, or half-length of the day, from which you can find the sunrise/sunset times (for London) by adding or substracting from noon.

If you know the age of the moon for a given date (from an almanach), scales B & C help you find the Moon's time of 'southing' (crossing the southern meridian), and also the average moorise/moonset times by adding or substracting from the southing.

My reproduction, from the printout I made, for latitudes 42 to 52°N.
It seems that the National Museums Scotland has a copy. From its description I guess it could be different from this one.