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BLVCK MERCH tribute card for inventor Frederick McKinley Jones and mobile refrigeration systems. Before dependable refrigerated transport, distance placed a hard limit on fresh food. Meat, dairy products, produce and other perishables could spoil before reaching consumers. Frederick McKinley Jones helped remove that limit by developing a successful mechanical refrigeration system that travelled with the vehicle carrying the cargo. Jones did not invent refrigeration. Engineers

The engineer behind a practical automatic lubrication system By Photographer unknown. Cabinet card from Sexton & Maxwell (St. Louis) - Scan from the Collections of The Henry Ford. Accession: 96.0.32.48Original cabinet card housed in Burton Historical Collection, Detroit Public Library, ID: bh009592, Every moving machine has a hidden enemy: friction. Metal parts rub against one another, heat builds, surfaces wear down, and an engine that should keep moving can fail. In the age

Doctors, scientists, inventors, and visionaries whose work still saves lives today. Many of history’s greatest breakthroughs came from Black pioneers whose names are too often overlooked. From blood banks to life-saving surgeries, cancer research to vaccines, these innovators changed medicine forever. Explore their summarized stories by watching their short reel. Dr. Louis T. Wright Leader in surgery and equality. Henrietta Lacks Her cells changed science forever. Dr. Charle