5 facts about slate
Friday, 11 October 2019 11:15:00 Europe/London
Spain is the worlds largest producer and exporter of slate. With an astonishing 90% of Europe’s roofing slates originating from Spain.
Because it is a good electrical insulator and is fireproof, slate was used to construct early 20th century electrical switchboards and relay controls for big electrical motors.
Slate can be used to make turkey calls a device used by hunters in order to replicate the call of a turkey.
In the 18th century Slate was widely used in schools as writing boards. Pupils and teacher would use chalk to write on them.
And finally: at the end of the nineteenth century Penrhyn Quarry was the world's largest slate quarry; the main pit is nearly 1 mile (1.6 km) long and 1,200 feet (370 metres) deep.