Additional examples are adjusted to the entries in an automated way - we cannot guarantee that they are correct.
I'd seen pictures of them in old mining books.
It is best known for the Cornish Heritage series but also publishes transport and mining books.
Prof.R.D.Singh Author of Many Mining Books and in addition to them the college has produced many great persons.
In the 16th century cutaway views in definite form were used in Georgius Agricola's (1494-1555) mining book De Re Metallica to illustrate underground operations.
Best known for their Cornish Heritage series but also well known by scholars and enthusiasts for their transport and mining books: the firm takes its name from the hamlet of Twelveheads.
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