The story of Hi-E and creations of Harlan Meyer is quite remarkable. Some of it is waaaay out there! The linked article below is well worth the read. The riveted Cosmopolitan frames..... oh my. And the ultra light rims that he formed pretty much remind me of aluminum rain gutters.
Larry Black shared a most comical story about one time visiting Meyer on a detour - during crew RAAM event. His description of the concrete floor directly above in a portion of the shop... Maybe he'll pipe in and describe in his own words, as otherwise beyond ones imagination hilarious.
See and read >>
https://www.gravelcyclist.com/bicycl...-cosmopolitan/