Lachter

The (even the one or more ) Lachter (also: Mountain Lachter ) was a common mining length ( Lr or symbol °. ), Were determined by the most depths, the tunnel excavation and the size of mine fields, also hired house. In most German mountain districts it was the most important measure.

Basics

Different tools should allow the measurement in mining safe and fast. So the Lachterstab, also Lachterlatte had called, exactly the length of a laugh Marketers. The Lachterkette was made ​​of a wire electrode with a working length of 5 or 6 Lachter and balls in Einlachter distance. Another variant was the Lachterschnur or the cord Lachter with lengths 10-12 Lachter as oiled measuring line. The shortest scale was the Lachtermaß of a length of a half laugh Marketers in stick form.

A Lachter was approximately the amount which a man could cover with arms outstretched. Thus, the Lachter was approximately fathoms (about 1.8 m), was usually but slightly larger.

The Lachter was - with regional differences - in the units eighth ( also Spann, Gräpel or Gröbel called ), ( Lachter ) inches, priming (also called Prinen ) and divided seconds:

In the 19th century a division continued after the decimal by:

From 1830 the Lachter in Saxony has been set:

Like other extent, the Lachter in different regions varied in size, but also within the same region could undergo changes. In addition, there could be differences between different mining areas within a territory. The specification and use of conversion values ​​is only useful if certain is known, where and for what time frame were the values. A few examples:

Berglachtermaße

Starting from the definition of the meter ( 443.296 Paris lines) of the Paris feet ( 144 Parisian lines) are expected to 32.4839 inches.

Information without mark after