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Sketches
of a Cornish Tin Mine (The Illustrated News of the World, 1893).
Note picture of bal maidens centre left. |
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Four
stages in dressing copper ore, published 1842 (but probably
from an earlier time). Showing from L to R Spalling, Cobbing,
Bucking? and Sieving? |
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Women
spalling (left), cobbing (centre), picking (right) and bucking
(back right)
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Woodcut
of bal maiden with Cornish shovel |
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Woodcut
of three bal maidens |
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Bal
maidens spalling, and loading ore wagon at Carn Brea 1880 (Harpers
Magazine, 1881) |
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The
following images are taken from a paper by James Henderson,
published in the Proceedings of the Institution of Civil Engineers,
1858, and are available with a transcript. (See Links,
Books & Articles) |
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Women
spalling ore |
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Girls
cobbing copper ore |
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Girls
barrowing, bucking and griddling copper ore |
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Girls
at the picking table |
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Bal
maiden at semi automated jigging machine |
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Bal
maiden at the racking frames (tin) |
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Bal
maiden at the calciner hopper |
