science

John Hall Maxwell

John Hall Maxwell is a science 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 John Hall Maxwell rather than just read about it. In short: John Hall Maxwell of Dargavel CB FRSE (1812–1866) was a Scottish agriculturist. Life Maxwell was born on 20 February 1812, at 19 Queen Street in Glasgow the eldest son of William Maxwell of Dargavel, Renfrewshire (d.1847), and his wife, Mary Campbell, eldest daughter of John Campbell of Possil, near Glasgow.

Key takeaways

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

Reference excerpt

John Hall Maxwell of Dargavel CB FRSE (1812–1866) was a Scottish agriculturist.

Life Maxwell was born on 20 February 1812, at 19 Queen Street in Glasgow the eldest son of William Maxwell of Dargavel, Renfrewshire (d.1847), and his wife, Mary Campbell, eldest daughter of John Campbell of Possil, near Glasgow. He was apprenticed as a lawyer but does not appear to have had any university education. He was called to the Scottish bar as an advocate in 1835. He practised his profession until 1845, when he succeeded Sir Charles Gordon of Grimkin as secretary to the Highland Agricultural Society. At this time the number of members was 2,620, and the funds of the society amounted to £34,000; when he retired there were 4,200 members, and the finances had risen to £50,000. The annual shows under his management displayed improvements, and Maxwell paid attention to the collection of agricultural statistics. In 1848 he was elected a Fellow of the Royal Society of Edinburgh his proposer being Sir John Macneill. On 5 February 1856 he was created a Commander of the Order of the Bath (CB). On his own estate at Dargavel, Maxwell carried out costly improvements, especially in the reclamation of waste land. He died at his residence, Torr Hall, near Paisley, on 25 August 1866. He is buried at Erskine Old Parish Church.

Family On 3 August 1843 he married Eliza Anne Margaret Williams (d.1907), the eldest daughter of Thomas Williams of Southwick Crescent, Hyde Park, London.

References

Attribution This article incorporates text from a publication now in the public domain: Lee, Sidney, ed. (1894). "Maxwell, John Hall". Dictionary of National Biography. Vol. 37. London: Smith, Elder & Co.

Worked examples

Example 1 — a first encounter with John Hall Maxwell

Start with the simplest possible case. Write down what John Hall Maxwell claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 John Hall Maxwell 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 John Hall Maxwell 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 John Hall Maxwell

In research: John Hall Maxwell appears in science 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 John Hall Maxwell 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: John Hall Maxwell is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1812 births, 1866 deaths, Agriculture educators, so understanding it makes those chapters shorter.
In everyday life: Look for John Hall Maxwell 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 John Hall Maxwell in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what John Hall Maxwell 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 John Hall Maxwell out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is John Hall Maxwell in simple terms?

John Hall Maxwell of Dargavel CB FRSE (1812–1866) was a Scottish agriculturist. Life Maxwell was born on 20 February 1812, at 19 Queen Street in Glasgow the eldest son of William Maxwell of Dargavel, Renfrewshire (d.1847), and his wife, Mary Campbell, eldest daughter of John Campbell of Possil, nea…

Why does John Hall Maxwell matter?

Because it connects several science 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 John Hall Maxwell?

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 John Hall Maxwell.