science

Philip Lea

Philip Lea 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 Philip Lea rather than just read about it. In short: Philip Lea (c. 1660? – 1700) was an English cartographer, globemaker, instrument maker, and publisher. He was a prolific printer and reviser of maps, frequently collaborating with other contemporary mapmakers (or buying their plates from them and creating updated editions) including Herman Moll, Robert Morden (with whom he sold globes), John Ogilby, and John Seller.

Key takeaways

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

Reference excerpt

Philip Lea (c. 1660? – 1700) was an English cartographer, globemaker, instrument maker, and publisher. He was a prolific printer and reviser of maps, frequently collaborating with other contemporary mapmakers (or buying their plates from them and creating updated editions) including Herman Moll, Robert Morden (with whom he sold globes), John Ogilby, and John Seller. With Robert Morden he produced in 1683 A New Terrestrial Globe made by Rt. Morden, Wm. Berry, Ph. Lea. With John Ogilby he published in 1687 the Travellers Guide being the best Mapp of the Kingdom of England and Principality of Wales. Also in 1687 with John Overton he published A new mapp of America. With Christopher Saxton he revised and re-issued in 1693 The Shires of England and Wales. Between about 1683 and 1686, he worked at the Atlas & Hercules in the Poultry district of London (over against Old Jewry). From 1687 to his death he worked at the Atlas & Hercules in Cheapside near Friday Street, London though between 1689 and 1695 his location was sometimes described as "and at Westminster Hall near the Court of Common Pleas." Lea was apprenticed through the guild The Worshipful Company of Weavers in 1675 with Robert Morden. Lea died in 1700. His widow Ann Lea took over the business and ran it for another 25 years.

References

Illustrations

Worked examples

Example 1 — a first encounter with Philip Lea

Start with the simplest possible case. Write down what Philip Lea 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 Philip Lea 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 Philip Lea 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 Philip Lea

In research: Philip Lea 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 Philip Lea 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: Philip Lea is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1700 deaths, 17th-century English cartographers, Globe makers, so understanding it makes those chapters shorter.
In everyday life: Look for Philip Lea 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 Philip Lea in 20 minutes

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

Frequently asked questions

What is Philip Lea in simple terms?

Why does Philip Lea 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 Philip Lea?

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 Philip Lea.