Luminosity Sources

Lamplighter Beeswax
Grind in Ladybones Road. There are also options at Bullbone island if you happen to pass by. If you're in hurry, you can just buy it as each one only costs 2 pence.

Phosphorescent Scarab
Farm Lamplighter Beeswax, and use the bulk-conversion action to turn 1000 wax into 105 scarabs. Those who are Attending to the needs of a Singular Plant may seek the normal success from 'Investigate your plant' in the "Your green lodger" card to gain 10 scarabs. Perstitent persurers of the Light Fingers! Ambition can get 13 Scarabs per action from A Secluded Coastline.

Memory of Light
Convert from Compromising Document, or get 4 from success from feeding your lizard in 'Lizardly matters' card. Cannot be sold

Mourning Candle
Get these from Boxes of Intrigue at Spite (Requires a lot of progress in the Affair of the Box) sells for 2 echoes, 50 pence

Patent Scrutinizer
Convert from Mourning Candles. Classes as weapons. sells for 12 echoes, 60 pence