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- 1Wright Brothers PatentsOctober 2, 2021
- 2ApplesOctober 9, 2021
- 3ConvertiblesOctober 16, 2021
- 4SpinningOctober 23, 2021
- 5Toll RoadsOctober 30, 2021
- 6Children's FurnitureNovember 6, 2021
- 7Tomato HarvesterNovember 13, 2021
- 8Isamu NoguchiNovember 20, 2021
- 9TaxicabsJanuary 15, 2022
- 10Public EducationJanuary 22, 2022
- 11Cast Iron CookstovesJanuary 29, 2022
- 12Best of — Wright Brothers PatentsFebruary 5, 2022
- 13Dr. HowardFebruary 12, 2022
- 14Studio GlassFebruary 19, 2022
- 15BaseballFebruary 26, 2022
- 16Airplane RacingMarch 5, 2022
- 17Best of — ConvertiblesApril 23, 2022
- 18Standard SizesApril 30, 2022
- 19Early FirefightingMay 7, 2022
- 20Early RacingMay 14, 2022
- 21Ackley Covered BridgeMay 21, 2022
- 22Best of — Tomato HarvesterMay 28, 2022
- 23National ParksJuly 2, 2022
- 2420th-century JewelryJuly 9, 2022
- 25WeavingJuly 16, 2022
- 26Best of — Ackley Covered BridgeJuly 23, 2022