After Hours

Rail, auto, and aviation innovations at The Henry Ford history museum

Tech of the past: Insulation braiding machine and brick-making machine

The large green machine was a brick-making machine that used technology similar to the Play-Doh Fun Factory to mold bricks, tiles, and ceramic blocks.

The machine in the glass case is an insulation braiding machine, which wound cotton thread around rubber-coated electrical wire to add a second layer of insulation.

Photo by Wally Bahny for TechRepublic

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