1975 Press Photo Riding the "Ferris Wheel" are cylindrical ceramic rods

Riding the "Ferris Wheel" are cylindrical ceramic rods that eventually will become resistors at the TRW/IRC manufacturing plant in Burlington. These devices find wide use in such electronic equipment as digital voltmeters, digital-to-analog converters, industrial processing and oil well exploration instrumentation.

Photo is dated 1975.

Photo measures 8 x 10.25 inches.