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There really is a LOT of "Extras" for 1/48. The track in Europe in 1930's-40's was (I think) 2 1/2' gauge which is totally available in O. Look simply for On2 1/2 or even On3. (the "n" stands for "narrow" refering to the gauge, in this case, 2 1/2 feet.)
ALL ERAS of world railroading is represented in precision scale models made from wood, plastic, resin and even brass.
I'm glad I brought this topic up, it's good to pass on some knowledge here instead of gobbling it up!
Cuhail
Railroad guage (distance b/t rails) is a very interesting subject if you are a train buff. Railroads in Germany, France and most of western Europe were (and are) guaged a 4' 8 1/2" b/t the railheads - the odd distance was established by the English inventor Robert Stephens with his pioneering locomotive "Rocket" (not by roman chariots per the urban myth). The odd distance came about when he had to move the flanges on his wheels to the inside edge - he had chosen a nominal track guage of 5' (measured to the outside edges of the railhead), planning on outside flanges, but that turned out not to work too well. Flipping the tires around to put the flanges on the inside restulted in a 4' 8 1/2" rail spacing that just got carried on and on as the industry built each new piece of equipment to the emerging common standard. The distance is now commonly referred to as "Standard Guage" in the railroad industry.
Russian track was guaged at 5' to purposely render the other countries equipment incompatible. The Russians had been preceed in that by the American South, who also favored 5' guage. Anything under 4' 81/2" is classed as narrow guage - meter guage was popular in Europe, while 3' and 2' was more common in the USA. The 30" guage was used in Mexico, the US and elsewhere too.
The actual track guage of O-scale model trains built to normal standards for the scale is 5' because that is the guage Lionel chose - 1 1/4". In the US they are built to 1:48 scale. Trains built to run on correctly guaged track are called Protp:48. Narrow guage is noted by an 'n' - On3 (3' guage), On2 (2' guage), and On2 1/2 (30" guage).
Apologies for the off topic frolic. Wanted to offer some insight - I am one of those train buffs.
Konrad