Classic scale
From Brickwiki
Classic scale was the standard scale in the 1960's. It fits somewhere between minifig scale and Micro-scale with doors 3 bricks high before the introduction of the first minifigs. It is similar in dimensions to the HO scale used in model railroading.
External Links
- Classic scale building? - An early AFOL mention (1999) of classic scale on Lugnet by Gary Istok