Azimuth indicators,and other dials, radar sets... may have Ra-226.
The amount of activity is usually in the 8.88 E 5 to the 2.26 E 6 Bq.
Th-232 is used in trackers, receivers, and various engine components.
There may be Kr-85 or Cs-137 in spark gaps, ignition units, and
exciters in various amounts. And most of your clocks will have small
amounts of Pm-147 or H-3.