A Frames are the supports that carry the point rodding from the lever frame (Signal Box or Yard frame) to the
points. These HO A Frames are designed to use 0.5mm square Evergreen Poystyrene strip as the rods. A
Frames appear to have been spaced every 7 feet (2135mm). The A Frames and rods were at varying distances from the track, refer to photos for guidance.