January / February 2022
VOLUME 56 NUMBER 1 FEATURES: The NYC 999 Project: Richardson Snifter Valves by DAVID SMITH Mill Creek Central's 2021 Large Engine Meet by BOB WINKEL Optimizing a Propane Flame with a TC by FRED WRIGHT The Green Twin Oscillator - Part 6 Assembly by PAT JORGENSEN Upgrade a Two-Bay Hopper Car by RYAN DRVIES A [...]