easy to get aftermarket rectangular mirrors that were an option back then [about 5x7] , and if that's not enuff, the small convex stick-ons help - works well on the TF panel
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics