*Full* | 1-Hour about Rubber: Discovery, Early Uses, Charles Goodyear, & 1910 Visit to a Rubber Plantation (Silk+ Bonus Episode #22) | Learn, Relax, Sleep

Calm History - true bedtime stories & trivia for relaxing or sleeping.

Episode Sponsors & Promos:

• Factor Meals (use code calmhistory50 to get 50% off your first box, plus 20% off your next month): https://factormeals.com/calmhistory50
• Alarmy (alarm app): https://link.alar.my/calm_history
• For the Love of History (podcast): https://open.spotify.com/show/6SjwlXC5e8uvPxXE8siyEZ

Access over 70+ Ad-Free episodes of Calm History by becoming a Silk+ Member (FREE for a limited time!) and enjoy over 600 total episodes from these relaxing podcasts:

• Calm History (70+ episodes)
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• 1 & 8-Hour Background Sounds (30 episodes)
• Counselor Curt ASMR (20+ episodes)
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https://media.blubrry.com/1465375/op3.dev/e/sleepwithsilk.com/wp-content/uploads/2024/08/33ch-7-Full-Bonus22-1-Hour-Rubber-b.mp3

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Calm History is part of the Airwave Media podcast network: AirwaveMedia.com

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