Jürgen Elert Kruse

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Jürgen Elert Kruse (copper engraving from 1770 by Johann Christian Gottfried Fritzsch )

Jürgen Elert Kruse (born November 27, 1709 in Hamburg ; † January 30, 1775 there ) was a German educator and author.

Live and act

Kruse was born in Hamburg and taught at the church school in Sankt Nikolai at the age of 15 . In 1733 he was elected a full teacher. Under his leadership, the church school became known as the so-called merchant school . He published several works on coins and bills of exchange. Until his death in 1775 he taught a total of 2333 students.

family

Kruse was married three times. His first marriage was in 1731 with Maria Elisabeth Bode († 1734). For the second time he married Margaretha Brauer († 1762) in 1735. His third marriage was with Anna Catharina, widow of Heinrich Mester. Kruse had a total of 15 children from these three marriages. Johann Joachim Kruse (1753-1813) was a son from his second marriage and was his successor as a teacher at the church school of St. Nikolai.

Works (selection)

  • A discount board engraved on a copper sheet plate is used to convey the discount for 7 u. 13 months, of all sums under 15,100 marks, can be found very compendious through a one-off addition . Hamburg 1735.
  • Money-course calculation, in which instructions are given through many tasks to calculate all kinds of coins, whole and piece by piece . Hamburg 1736.
  • New Compendios money tables, consisting of nine tables engraved in 2 copper figures, which convey the difference per cent between all sorts of heavy and light money types; the same as how much a piece of the Müntz sorts, which are particularly rolling around here, which are worth all the money, can calculate extremely commode; their use and benefits adequately dependent, and for the service of those who negotiate with funds . Hamburg 1737.
  • The new Compendios money tables, second part. Consisting of 5 tables, engraved in a copper figure, through which one can, very easily, without the slightest arithmetic, immediately see with absolute precision whether in payments current money, or new two-thirds, or Fransche two-thirds, or Louis d'Or, or two good penny pieces, should best be accepted or spent, the use of which etc. Use awkwardly instructed, u. for the service of those who with ingestion u. Issuing such sorts of money have to create . Hamburg 1738.
  • 24 change machines, engraved on a copper sheet plate, so that you can take all change courses between Hamburg and Amsterdam via England, France, Italy, Portugal, Spain, Danzig, Königsberg, Stockholm and all of Germany, as Augsburg, Braunschweig, Bremen Arbitrate, Breslau, Frankfurt, Leipzig, Nuremberg, Vienna, etc., and instantly find the profit or loss thereupon per centum, without the slightest calculation, merely by applying one or the other corresponding pointer; along with a cumbersome instruction on how to use 5 sheets . Hamburg 1738.
  • Reliable, comfortable wooden boards, which show the correctly calculated value, partly according to the price of a square foot, for a foot of lumber, both of prepared different thickness and width, and of the round wood, but partly the calculation of the oak floorboards or planks to craveelen; and have as their object the whole contents of a tree and a foot of it, in cubic feet and inches to estimate its worth . Hamburg 1746.
  • A preliminary drawing, designed and explained according to the alphabet, of the most common words, borrowed from Latin, French, Italian and many other foreign languages, which are common in German, especially in merchants, in trade, bookkeeping, exchange of letters Takes care of newspaper writing, conversations, science and serving in court . Hamburg 1748.
  • Briefly drawn up goods tables arranged according to the prevailing prices, existing ones in proportional numbers, by means of which one of all such goods, those in Hamburg with 7, 13 and 16 month discount, either in Lüb. or Flemish. Currency, bought or sold, the constant amount can be found by a single simple multiplication . Hamburg 1749.
  • General and especially Hamburg Contorist . Which gives cumbersome information about the most distinguished cities and countries located in and outside Europe, their currencies, coins, types of exchange and customs, and the weights and measures described in the same, against which, as in Hamburg and other places, are in use , exactly compares; as well as the change incidents which go to Hamburg and many other famous places, present in the correct order of the alphabet, and instructs to resolve all the fragments of the bill of exchange according to the newest and most convenient method. 1st edition. Hamburg 1753 ( digitized versionhttp: //vorlage_digitalisat.test/1%3D~GB%3D~IA%3D~MDZ%3D%0A10227416~SZ%3D5~ double-sided%3D~LT%3D~PUR%3D ).
  • Reliable silver and gold invoice sample, together with instructions, the discount of letters of exchange, and the total number of pieces from eighth in Hamburg, according to the prices for which they are available in Amsterdam and London, through the most convenient invoice find . Hamburg 1763.
  • Reliable billboards, which have the processed silver and gold, with the intention of the value and the ligation, together with comparison of the weight and salary, after closer display of the preliminary report, the object . Hamburg 1764.
  • Hamburger Münz- und Wechsel-Pari Tafel, which compares the silver coins and fine silver, including gold coins and gold, against Banco and Courant money, along with the course in bills and the practical proportion between gold and silver for Has objects . Hamburg 1767.
  • Comparison board about the money course in Hamburg, which shows what the full gold and silver types of coins, with the intention of containing gold and silver, are due for a course against banco currency . Hamburg 1768.
  • Proportion table, from which you can see what happens in Hamburg every time you confuse Species or Courant ducats and Friedrichs d'Or for Banco or courantes silver money and bar silver for a practical proportion between gold and silver . Hamburg 1768.
  • Ratios in which the Louis d'or and other 5 thaler pieces are compared to the bill coins in Europe; according to the measure of the price which the same or the value which the minted and rolling gold coins have at the named places, worked out and issued for the service of German commerce . Hamburg 1771.

literature

Individual evidence

  1. ↑ Directory of the names of all those who were the blessed Jürgen Elert Kruse, who was the schoolteacher of St. Nicolai in Hamburg (elected 1733, November 19), who was born in Hamburg in 1709 on November 27 and died in 1775 on January 30 , his age 65 years, 2 months and 3 days, was entrusted for instruction, with indication of the year, in which year the same started with him. Written in alphabetical order at the request of many good friends and former pupils, and given to the printer by all of his heirs . Dieterich Anton Harmsen, Hamburg 1775 ( digitized versionhttp: //vorlage_digitalisat.test/1%3D~GB%3DQQ58PgAACAAJ~IA%3D~MDZ%3D%0A~SZ%3D1~ double-sided%3D~LT%3D~PUR%3D ).
  2. ^ Lexicon of Hamburg writers to the present day
  3. ↑ The Hamburgischer Contorist appeared in several editions and extensions, the first in 1753, the second (and third) from 1762 to 1765 (1766 to 1777) and the fourth from 1782 to 1784, which was published by the heirs. The title addition listed here therefore only applies to the first edition.

Web links

Wikisource: Jürgen Elert Kruse  - Sources and full texts
personal data
SURNAME Kruse, Jürgen Elert
ALTERNATIVE NAMES Kruse, Juergen Elert; Kruse, Georg Elert
BRIEF DESCRIPTION German educator and author
DATE OF BIRTH November 27, 1709
PLACE OF BIRTH Hamburg
DATE OF DEATH January 30, 1775
Place of death Hamburg