valve gear”. Roundhouse-eng.com. 2012年12月2日閲覧。 ^ van Riemsdijk, John T. (1994). Compound Locomotives: An International Survey. Penryn: Atlantic Books. pp
sea-coast mortars, and one 6-pounder bronze field piece. ^ Savannah boasted a roundhouse repair facility. Three railroads at the time of the Civil War were (1)