September 6, 2018
From Quarry to Desktop

PennDesign’s John Hinchman and Frank Matero

A drill and bar broaching system, one of the technologies for slate extraction introduced in the late 19th centuryImage: Pennsylvania Geologic Society

As pictured on a postcard for Bangor, Pennsylvania, slate was moved on quarry trucks on track.
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PennDesign’s John Hinchman and Frank Matero
A drill and bar broaching system, one of the technologies for slate extraction introduced in the late 19th centuryImage: Pennsylvania Geologic Society
As pictured on a postcard for Bangor, Pennsylvania, slate was moved on quarry trucks on track.