The Wiki for Tale 4 is in read-only mode and is available for archival and reference purposes only. Please visit the current Tale 11 Wiki in the meantime.

If you have any issues with this Wiki, please post in #wiki-editing on Discord or contact Brad in-game.

Chemistry Laboratory

From A Tale in the Desert
Jump to navigationJump to search
SL Chemlab.png
Size 19x19
Where Compound


This building becomes available after you have learned the Basic Chemistry tech.


Built in a Compound. Uses 19x19 cells.


'Tech required: Advanced Chemistry 2

Level 1

"Upgrade this bench to allow advanced reactions"

Level 2

"Upgrade this bench to allow essence creation"

Alcohol Lamp

The Alcohol Lamp must first be assembled using the Skills->Assembly menu. It requires:


Install one each of the following:



Product Qty Made Recipe Upgrades Reqd Timer
Gunpowder 10 1 Charcoal, 1 Sulfur, 10 Saltpeter None Constitution: 12 sec
Ink 20 5 Salts Of Iron, 5 Charcoal, 20 Oil None Constitution: 7 sec
Papyrus Strip 8 1 Papyrus Paper Level 1 None
Gear Oil 6 100 Oil, 50 Petroleum, 5 Extracts (Maat, Set, or Osiris) Level 1 + Glassware None
Potash Ointment 6 50 Water in Jugs, 25 Acid, 5 Extracts (Geb, Maat, or Set) Level 1 + Glassware None
Lime Emulsion 6 50 Water in Jugs, 10 Bauxite, 5 Extracts (Maat, Set, or Osiris)) Level 1 + Glassware None
Gem Glue 1 10 Water in Jugs, 25 Gypsum, 10 Mandibular Glue 5 Extracts (Set, Osiris or Thoth)) Level 1 + Glassware None
Explosives 50 Gunpowder, 10 Aluminum Powder, 2 Extracts (Set, Osiris, or Thoth) Level 1 + Glassware Constitution
Essence varies Varies Level 2 + Alcohol Lamp 2 teppyminutes
Essential Compound 1 5 unique Essences Level 2 None
Compound Extract 3 1 Essential Compound with specific properties Level 2 None

Powdered Gems

You must have the gems in your inventory in order to see the option on the lab.

Powdered gem yield is multiplied by (1 + the precise calibration level of the lab). At calibration 3 (maximum known), yields are increased by 3 per gem.

Gem Size Quantity Made
Huge 7
Large 4
Medium 2
Small 1
Cuttable 1