Agricola, Georgius - De re metallica

Agricola, Georgius, De re metallica, 1912/1950

Table of figures

[Figure 41]

[Figure 42]

[Figure 43]

[Figure 44]

[Figure 45]

[Figure 46]

[Figure 47]

[Figure 48]

[Figure 49]

[Figure 50]

[Figure 51]

[Figure 52]

[Figure 53]

[Figure 54]

[Figure 55]

[Figure 56]

[Figure 57]

[Figure 58]

[Figure 59]

[Figure 60]

[Figure 61]

[Figure 62]

[Figure 63]

[Figure 64]

[Figure 65]

[Figure 66]

[Figure 67]

[Figure 68]

[Figure 69]

[Figure 70]

1

If a vein is soft and the rock of the hanging and footwalls is weak,
a closer structure is necessary; for this purpose timbers are joined together
in rectangular shapes and placed one after the other without a break. These

57[Figure 57]

A—WALL PLATES. B—DIVIDERS. C—LONG END POSTS. D—END PLATES.

Text layer

Text normalization

Search