Douglas Earie-Marsh will probably be best known for the popular and graceful H1 and H2 Atlantic express engines, although these were essentially Ivatt designs from the Great Northern with whom March previously worked. His fist design of Atlantic tanks the I1 and I2 classes were not at all successful performers. The I3 tanks  however changed … Continue reading Talking Stock #25 Marsh got one Atlantic 4-4-2 tank right with the I3