#open-question
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Did the Hoffmann-Hayman Coffee Co. switch its Crystalvac jar production to Owens-Illinois before Three Rivers Glass shut down? The evidence — from H&H's own surviving-jar collectio…
Three Rivers Glass Closure Timeline Dispute 2026-07-26
The popular account (Ball acquired the factory in 1937, closed 1938) collapses a more eventful sequence: recurring short shutdowns for maintenance/mechanization through the 1920s-3…