The Alchemical Chest is from the mod EE and has a total of 104 spaces. This is the largest chest in the 1.1 Technic Pack as the double chest has 54 spaces. The Alchemical Chest takes up 1 block. It is used in the recipe for Energy Condensers and the Alchemy Bags
The recipe is all three Covalance Dusts, 2 stone (not cobblestone), 1 diamond, 2 iron ingots and a chest.