Nicolaus Rohlfs

Nicolaus Rohlfs ( born March 10, 1695 in Hamburg, † September 29, 1750 in Buxtehude ) was a German mathematician, astronomer and calendar maker. He was from 1722 and numeracy champions in the High field, from 1729 Arithmeticus at the town school to Gluckstadt and 1731 writing and arithmetic masters in Buxtehude. He was surnamed " the ring end " a member of the art-loving and practicing company to Hamburg. Rohlfs issued an astronomical calendar, and later a "Royal Schleswig-Holstein House and Garden Almanac " and various other treatises, which were continued by his son Matthias Rohlfs.

Writings

  • Trigonometric Calculation, the Anno Christi 1724 22 Maji ... prolapsing large solar eclipse. , Such as the same becomes praesentiren on the Hamburg horizon ... auffgesetzet by Nicolaus Rohlfs. Pressure: Struckische book printing, Lübeck, ca 1723
  • Tabula horologica. Or Curieuse clock tables: by whose Beyhuülfe you have by means of a small Stöckl One, Spatzier - floor, foot- measure or some other thing, if it is divided only into 12 parts, bey Sunshine, find the hour of the day, and other divertissements kan. Wobey ( 1) a copper sheet, which is made ​​according to the statement at a universal clock to right and used; ingleichen a lesson, as with the universal and a horizontal clock to find the lunch line, even how to bey moonlight can find the hour of the night. ( 2) An addition is rejected darinn, in the first place, how bey sunshine with a Stoöcklein or straw in hand to find the clock time kan; zweytens how to make the impact and Pocket Watches properly and should corrigiren. Gottfried Richter, Hamburg, 1733.
  • Instructions on how to calculate the Sonnenfinsternißen over a every place of the earth's soil. Hamburg, 1734th
  • Sevenfold royal big = Britannic and chur = princely Brunswick- Lüneburgischer State = Calender via Dero Khrushchev = principality of Brunswick = Lüneburg, and the same associated land, Shooting 1737. Therein the Improved, Gregorian, Julian, Jewish, Roman and Türckische, together with a contain spelling = Calender, other things are associated with the Calender to see. Which all beygefüget The State = register of which the Royal governments, and other high civil servants and Militair in the Teutonic lands; Also a Genealogical directory of all now living Serene and maximum = High Houses in Europe, according to the alphabet. 84 sheets Printing: Johann Christoph Berenberg, Lauenburg. Note: In this form for several years appeared (from about 1752 continued by Matthias Rohlfs )
  • Artificial numbers game, or thorough statement such as the so-called magic squares are to manufacture a very easy way, etc. 1742
  • Royal. Schleswig -Holstein House and Garden Allmanach: on the ... year of Christ; over the Schleswig - Holst einis. Gestellet horizon. Altona: Burmester, 1750-1784. Initially: Nicolavs Rohlfs, then Matthias Rohlfs

Swell

  • Continuation and extension of Christian Gottlieb Jöchers general lexico - scholars, edited by Otto Günther, Leipzig, 1897, pp. 299-300, online
  • Encyclopedia of the Hamburg writer to the present, by Hans Schröder, Vol 6, Hamburg 1873, No. 3266, online
  • Astronomer (18th century)
  • Teacher (18th century)
  • Mathematicians (18th century)
  • German
  • Born in 1695
  • Died in 1750
  • Man
1747 Hohenfelde Astronomy Mémoire Integrated Authority File
603333
de