Summary: Thomas B. Slate first invented the commercial production process for making dry ice, then took his new-made fortune and used it to re-imagine airship travel in an almost unbelievably “steampunk” way. (Alsea, Benton County; 1900s, 1910s) (For text and pictures, see https://offbeatoregon.com/1602b.slate-metal-airship-inventor-part1.378.html)
