Partial Pulley Mechanism

Partial Pulley Mechanism is a machine part used in a Multipurpose Newcomen Engine.

Crafting
Use a Newcomen Hammer to make a Large Pulley, and add this to a Long Straight Shaft to get the Partial Pulley Mechanism. From here, another Large pulley can be added, to make a Roller Mechanism, or a Small Pulley to make a Disconnected Pulley Drive Mechanism.