Umbrella Making and the Fit of Folding Ribs | Science for Sleep

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Umbrella Making and the Fit of Folding Ribs | Science for Sleep

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Umbrella Making and the Fit of Folding RibsSettle in for a quiet exploration of Umbrella Making and the Fit of Folding Ribs. This episode follows Umbrella Making Begins with the Open Shape; Earlier Materials and the Division of the Trade; Giving a Thin Steel Rib Its Working Shape; Preparing the Shaft, Handle and Ferrule; Seating the Rib Roots in the Crown; Stretchers and the Geometry of Opening; Rivets, Clearances and the Feel of a Joint; The Runner and Its Spring Catch; How Compact Ribs Fold into a Shorter Bundle; Choosing Cloth for Water, Weight and Movement; Cutting the Gores to Fit a Dome; Sewing the Canopy without Losing Its Shape; Mounting the Cover and Balancing Its Pull; Checking the Finished Fit and Locating Repairs; Drying, Furling and Setting the Umbrella Aside.Boring Science For Sleep offers warm narration and gentle atmosphere for bedtime listening. Listen closely or let the details drift past. You are welcome to leave a bedtime hello or suggest a subject for another night.

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