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Yeah, that's really bizarre when you go back in time and look at when farm lighting plants apparently peaked. The 1923 Sears catalog offered almost all appliances in 32 volt and 110 volt versions, but already by 1927 the catalog reflects a serious trend toward phasing out 32 volt items.
32 volt farm radios continued to be made through the 1930s and there were even a very few offered in the immediate postwar period. I have never seen a single schematic for a 32 volt DC TV set. If there wasn't enough demand in the 50s, well, by the 80s demand would have been effectively (if not literally) zero.
Up into the decade just passed you could still get 32 volt light bulbs, but apparently the only real demand was a marine application and the price per bulb was outrageous. To my knowledge they are no longer offered anywhere at any price.
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