File:ModelLocomotiveEngineering CylinderBlockPattern2.jpg

1 1/2" scale wood cylinder block patterns from Model Locomotive Engineering Company. It has 2 3/4" x 3 1/2" cylinders with a part# 104 D100 written on the pattern. This is a special cylinder block that has the valve ports fully cored inside casting.  Acquired from Richard Thomas in 1999.  Listed on eBay February 2016.