board will control the operation of the trolleys and their pass-
ing on the Grand Avenue Bridge. Each time the trolleys start,
the sound track will play the typical “ding-ding” followed by a
short section of traction motor acceleration.
Frye Machining:
A construction article for this typical old-style
factory building appeared in the Model Railroader Magazine,
April 1958. At 11 years old, I tried unsuccessfully to build an HO
scale version. I even turned the smokestack out of cedar wood.
23
24
23: Here is my low-tech so-
lution for resetting the SW7
sound track.
24: Photo of the prototype
Peterson Feed Mill.