Before HO scale became the standard for model railroading, O scale was the dominant size, with a ratio of 1:48. However, in the early 20th century, a growing demand for more compact model trains ...

O scale trains are 1:48 size models. While there are larger model railroad museums, Gribbell says he believes this is the biggest O scale model one.

We’re renovating a C-of-O free brownstone, and are trying to determine the best course of action for filing with the Buildings Dept. We’re reconfiguring the house from a top-floor rental to a garden ...