Newcomen Atmospheric Core

Newcomen Atmospheric Core is a machine part used to make Newcomen Pump, Oil Rig, and Multipurpose Newcomen Engine.

Crafting
You will need to smith three pieces of Wrought Iron to construct the core. Fire a piece of Wrought Iron at a Firing Forge using Wooden Tongs and place on a Flat Rock. Hit with a Smithing Hammer to choose the part to craft. Smith one each of Crude Piston, Crude Cylinder and Boiler. Add a Rubber Tire to the piston.

Combine the Cylinder and Boiler, then add the Piston with Seal to get Newcomen Atmospheric Core.