Altstadt in Koblenz, Rhineland-Palatinate, Germany — Central Europe
Friedrich Mohr
Pharmazeut und Chemiker
Koblenz 4. November 1806 - 28. September 1879 Bonn
Erfinder der Mohrschen Waage
zur Bestimmung der Dichte von Flüssigkeiten.
Mitbegründer des Koblenzer Gewerbevereins
und der Provinzial-Gewerbeschule,
aus der das heutige
Eichendorff-Gymnasium hervorging.
Friedrich Mohr, pharmacist and chemist, born in Koblenz on November 4, 1806, and died in Bonn on September 28, 1879. Inventor of the Mohr balance for determining the density of liquids. Co-founder of the Koblenz Trade Association and the Provincial Vocational School, which later became today’s Eichendorff-Gymnasium.
Erected by Krieger Pharmaceutical Wholesale, Schloss Pharmacy, Koblenz, Dr. Schlags Pharmacy, Koblenz.
Topics. This historical marker is listed in this topic list: Science & Medicine. A significant historical date for this entry is September 28, 1879.
Location. 50° 21.279′ N, 7° 35.75′ E. Marker is in Koblenz, Rheinland-Pfalz (Rhineland-Palatinate). It is in Altstadt. It is at the intersection of Friedrich-Ebert-Ring and Südallee, in the median on Friedrich-Ebert-Ring. Touch for map. Marker is at or near this postal address: Friedrich-Ebert-Ring 20, Koblenz RP 56068, Germany. Touch for directions.
Regionally, this marker is in the German Rhineland, in the Upper Middle Rhine Valley, and specifically in the Moselle Valley. Globally, it is in Europe, the European Union, Atlantic Europe, Central Europe, the Schengen Area, Western Europe, and the Western World. Historically, it finds itself in what was once the Roman Empire, the Holy Roman Empire, and the former West Germany.
Other nearby markers. At least 8 other markers are within walking distance of this marker: Julius Ferdinand Wollf (within shouting distance of this marker); Max Wollf (within shouting distance of this marker); Rosalie Pfeifer (within shouting distance of this marker); Frieda Emma Wolf (within shouting distance of this marker); Klara Müller (within shouting distance of this marker); Richard Christ (about 180 meters away, measured in a direct line); Nathan Ackermann (about 210 meters away); Egon Stotzky (about 210 meters away). Touch for a list and map of all markers in Koblenz.
Also see . . . Karl Friedrich Mohr. Wikipedia
Karl Friedrich Mohr (November 4, 1806 – September 28, 1879) was a German chemist famous for his early statement of the principle of the conservation of energy. Ammonium iron(II) sulfate, (NH4)2Fe(SO4)2.6H2O, is named Mohr's salt after him.(Submitted on October 14, 2026, by James Hulse of Medina, Texas.)
Credits. This page was last revised on October 14, 2026. It was originally submitted on October 14, 2026, by James Hulse of Medina, Texas. This page has been viewed 7 times since then. Photos: 1, 2, 3, 4. submitted on October 14, 2026, by James Hulse of Medina, Texas.



