2014 Field Report 3

July 22, 2014

In our latest video field update, history expert Mike Woshner tells us about the use of hard rubber in the mid-19th century.

 

Comments (1)

  1. Bill says:

    Hard rubber was used in the mid 19th century? I woul have thought that this would have been a bit more of a late 19th century, industrial revolution type of material

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