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- Mon Mar 28, 2011 1:42 pm UTC
- Forum: Individual XKCD Comic Threads
- Topic: 0878: "Model Rail"
- Replies: 98
- Views: 32676
If Wikipedia says it is H + the number zero it is wrong. The scale is called HO because it is Half of O scale (7mm:1 ft). Calling something half of 0 doesn't make sense.