Page:De re metallica (1912).djvu/121

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BOOK IV.
79

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.

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 Bergmeister bounds the owner's rights in a head-meer.

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 Bergmeister defines the right of the owner or company over each mine.