The text of the entry was: Did you know ...that when the John Bull ran under its own power in 1981 it became the oldest operable steamlocomotive in the world?
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That would be highly unorthodox, yes? There also appear to be some examples of poor grammar, and parts read like a student essay instead of an encyclopedia article.
Is there someone in the Washington DC area that can visit the museum and get a picture of the locomotive as it appears today for me? AdThanksVance. slambo 21:08, Dec 7, 2004 (UTC)
As described in the "Mechanical Modifications and Early Exhibitions" paragraph: "Effectively, the John Bull became a 2-4-0 (a locomotive with two unpowered leading axles followed by one powered axle and no unpowered trailing axles)" Based on the descriptions at Whyte notation, 2-4-0, and 4-2-0; the parenthetical describes a 4-2-0.
I now see that someone not logged in changed it from 4-2-0 to 2-4-0 recently. Please don't change it back to 2-4-0 unless you can provide some evidence on the discussion page. Munkee17:05, 15 September 2006 (UTC)[reply]
4-2-0 is the correct designation for the post-modification configuration as there were two leading axles and only one powered axle. Thanks for catching this. Slambo(Speak)17:52, 15 September 2006 (UTC)[reply]
4-2-0? I would think (2-2)-2-0, maybe? The two unpowered axles are independent of each other. It's customary to write it as "4-2-0" only if the leading unpowered axles are on the same truck (bogie).
The construction drawing from 1833 shows it as an 0-4-0. The leading axle was added sometime before the 1860s (I don't have an exact year for it right now). Slambo(Speak)19:54, 15 September 2008 (UTC)[reply]
I just re-read your comment. It looks like a 2-4-0, but really the first two axles are both unpowered. The connecting rods were removed from between the two powered axles, leaving only the rear axle powered. This is stated in the article text. Slambo(Speak)19:59, 15 September 2008 (UTC)[reply]
The last picture on the page, which appears to be a painting, not a photograph, mentions the date 1981. Is this correct, and, if so, to what does the date refer? Was it a depiction of a long-ago time which was painted in 1981? It hardly seems likely that the scene was supposed to depict the exhibit occuring the year 1981... -Grammaticus Repairo17:07, 15 September 2007 (UTC)[reply]
This image really doesn't look like a photograph to me. Is it a painting? If so, why on earth would an artist create a painting of the locomotive being operated by techncians in period costumes that is inteded to depict the machine in the year 1981? -Grammaticus Repairo18:50, 10 October 2007 (UTC)[reply]
It is not a painting, it is a photograph. The locomotive was restored and operated in 1981, the people operating the locomotive dressed up in period costume while they operated it. From [1]: "On September 15,1981, after considerable analysis, a careful examination by a boiler-inspection firm, and a 1980 trial run on a branchline track in Virginia, John Bull displayed its magic before a rapt audience. Belching fire and smoke under the care of White and colleague John Stine, the locomotive ran on the Old Georgetown Branch rails beside the C&O Canal in Washington." It is that run that was photographed and that photograph is reproduced here. There are two other photos from the run on that page too. Slambo(Speak)10:56, 11 October 2007 (UTC)[reply]
In going back through the reference materials for this article, I found notes that the John Bull was inspected by Matthias W. Baldwin (founder of Baldwin Locomotive Works) before he built his own first locomotives. This information should be included in this article, but I'm not sure where is the best place for it right now. Refs that mention this include:
Alexander, E. P. (2003). Iron Horses: American Locomotives 1829-1900. Courier Dover Publications. pp. p 26. ISBN0486425312. {{cite book}}: |pages= has extra text (help); Cite has empty unknown parameter: |1= (help)
Warner, Paul Theodore (1924). Motive Power Development on the Pennsylvania Railroad System, 1831-1924. Pennsylvania Railroad Company. pp. p 7. {{cite book}}: |pages= has extra text (help)
Baldwin manufactured the finest stationary steam engine at that time and was building or had built an unsuccessful locomotive. Baldwin made drawings of the John Bull's parts parts before the locomotive was assembled. Baldwin went on to found Baldwin Locomotive Works.[1]
References
^Thomson, Ross (2009). Structures of Change in the Mechanical Age: Technological Invention in the United Sates 1790-1865. Baltimore, MD: The Johns Hopkins University Press. p. 235. ISBN13:978-0-8018-9141-0. {{cite book}}: Check |isbn= value: invalid character (help); Cite has empty unknown parameter: |coauthors= (help)
The New York Times had a note about the first engineer to drive this locomotive. On November 8, 1909, Tatem Parsons, the John Bull's first engineer who was also noted as being the nation's oldest locomotive engineer, died.
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Surely no longer the oldest operable steam locomotive in the world though. a) it was last steamed in 1981 (at 150 years old)but is unlikely to be still operable, and b)the Festiniog Railway's "Prince" has been in regular use for 122 of the past 153 years and is still in service
There are several candidates, so one has to be very careful over precise wording and just what is meant. "Oldest" vs. "longest serving", "working" vs. "in service".
WP claims that Fairy Queen (locomotive) is the oldest operating locomotive, despite the fact it's still unsourced that she has been restored to running condition and the article does cite that Express, a sister loco, is both older and more recently operating. Andy Dingley (talk) 20:46, 15 October 2017 (UTC)[reply]