engineering

Georg Merz

Georg Merz is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Georg Merz rather than just read about it. In short: Georg Merz (26 January 1793 – 12 January 1867) was a Bavarian optician and manufacturer of astronomical telescopes and other optical instruments. Life Merz was born on 26 January 1793 in Bichl, in Bad Tölz-Wolfratshausen, now in Bavaria, Germany.

Key takeaways

Georg Merz belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Georg Merz to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Georg Merz from memory before moving on to harder problems.

Reference excerpt

Georg Merz (26 January 1793 – 12 January 1867) was a Bavarian optician and manufacturer of astronomical telescopes and other optical instruments.

Life Merz was born on 26 January 1793 in Bichl, in Bad Tölz-Wolfratshausen, now in Bavaria, Germany. At the age of 15 he went to work in the glassworks recently set up by Joseph von Utzschneider in the nearby deconsecrated monastery of Benediktbeuern. There he became the assistant of Joseph Fraunhofer. From 1826, when Fraunhofer died, Merz was in charge of the optical division of the business. On the death of von Utzschneider in 1839 Merz, in partnership with Joseph Mahler, bought the firm. After Mahler's death he ran the business in partnership with his sons Ludwig and Sigmund. When Ludwig died in 1858 the name was changed to G. & S. Merz. Georg Merz died in Munich on 12 January 1867. In 1882 the firm passed to Jacob and Matthias Merz, Sigmund's cousins, and in 1884 the Benediktbeuern works was closed. The company moved to Munich, and closed in 1903.

Telescopes The 1845 Merz und Mahler 11″ refractor at the Cincinnati Observatory The 1847 15″ Harvard Great Refractor at Harvard College Observatory The 1839 Merz und Mahler 15″ refractor at Pulkovo Observatory The 1838 Merz 6″ (160 mm) refractor at Leiden Observatory The Yellow House Observatory in Dover, MA 12½″ Merz refractor telescope at the Royal Observatory, Greenwich 5″ (135 mm) G. & S. Merz equatorial refractor telescope at the Astronomical Observatory of Capodimonte, Naples, Italy 8.05″ (218 mm) Merz refractor telescope at the Brera Astronomical Observatory, Italy The 6.75" (17 cm) Vince Refractor at Bayfordbury Observatory uses a Merz lens manufactured in 1860 The 5.9″ (150 mm) refractor at the Round Tower Observatory uses a G. & S. Merz lens Georg Merz and Sons, vintage 7¼″ refracting telescope at the Sydney Observatory Georg Merz and Sons, vintage refracting telescope at the Quito Astronomical Observatory An equatorial mounted achromatic refractor from his firm was used in discovery of Neptune.

References

Illustrations

Worked examples

Example 1 — a first encounter with Georg Merz

Start with the simplest possible case. Write down what Georg Merz claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Georg Merz before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Georg Merz ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Georg Merz

In research: Georg Merz appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Georg Merz in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Georg Merz is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1793 births, 1867 deaths, Engineers from Bavaria, so understanding it makes those chapters shorter.
In everyday life: Look for Georg Merz outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Georg Merz in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Georg Merz means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Georg Merz out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Georg Merz in simple terms?

Georg Merz (26 January 1793 – 12 January 1867) was a Bavarian optician and manufacturer of astronomical telescopes and other optical instruments. Life Merz was born on 26 January 1793 in Bichl, in Bad Tölz-Wolfratshausen, now in Bavaria, Germany.

Why does Georg Merz matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Georg Merz?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Georg Merz.