TT Scale SIG


Thomas H. Dempsey
PO Box 215
Veradale, WA, 99037-0215
(509) 999-6247
tom [at]

SIG Purpose:

  • To promote active modeling in TT scale at a ratio of 1:120 in compliance with the standards and recommended practices of the NMRA.
  • Attract new people to the scale and promote its benefits.
  • Provide an online resource (website) about TT scale.