Agricola, Georgius, De re metallica, 1912/1950

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1 43[Figure 43]
SHAPE OF A SQUARE MEER.
multiplication is the total number of square fathoms in the long meer.
For
example, the double measure is fourteen fathoms long and seven broad,
which two numbers multiplied together make ninety-eight square fathoms.
44[Figure 44]
SHAPE OF A LONG MEER OR DOUBLE MEASURE.
Since meers vary in shape according to the different varieties of veins
it is necessary for me to go more into detail concerning them and
their measurements.
If the vein is a vena profunda, the head meer is
composed of three double measures, therefore it is forty-two fathoms in
length and seven in width, which numbers multiplied together give two
hundred and ninety-four square fathoms, and by these limits the Bergmeíster
bounds the owner's rights in a head-meer.
45[Figure 45]
SHAPE OF A HEAD MEER.
The area of every other meer consists of two double measures, on which­
ever side of the head meer it lies, or whatever its number in order may be,
that is to say, whether next to the head meer, or second, third, or any later
number.
Therefore, it is twenty-eight fathoms long and seven wide, so
multiplying the length by the width we get one hundred and ninety-six
square fathoms, which is the extent of the meer, and by these boundaries
the Bergmeíster defines the right of the owner or company over each mine.

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