TIMBER PORTAL

This design was used for tunnels that had problems with falling rocks.

It can be made with or without the front braces, and adds a superb

touch to any layout. All materials are strip basswood and include

Nut/Bolt/Washer castings. Full-size templates are enclosed for various

clearances: 16' wide for standard NMRA Specs; 14' and 12' for Narrow