science

Wax jack

Wax jack 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 Wax jack rather than just read about it. In short: A wax jack (wax-jack, taper-jack) is a device used to hold a taper of sealing wax intended to create sealings on documents. The wax jack was first introduced in 1700.

Key takeaways

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

Reference excerpt

A wax jack (wax-jack, taper-jack) is a device used to hold a taper of sealing wax intended to create sealings on documents. The wax jack was first introduced in 1700. Before that time a simple taper was used in a loose ball. Despite the resemblance to a candle, they were not used for illumination. Although common in England and Europe, they were not used much in North America. Most early wax jacks were worked by silversmiths, although later models also exist in other metals such as iron, brass or bell metal.

Description A wax jack was a vertical or horizontal shaft around which a thin beeswax taper was coiled. The top end protruded through a hole in a pan that had a pincer to hold the taper in place. This allowed the taper to be lit and the resulting puddle of wax easily controlled. Some models, called "bougie boxes," had a pierced enclosure around the shaft to protect the taper. They were often used when travelling, and to protect the taper from mice. Others included a snuffer.

References

External links

"New-York Historical Society - Wax jack/taper jack". www.nyhistory.org. Retrieved 12 November 2017. US patent D244056, Louis Phillip Jimenez & Charles Houck, "Combined taper and holder therefor", published Apr 12, 1977

Illustrations

Worked examples

Example 1 — a first encounter with Wax jack

Start with the simplest possible case. Write down what Wax jack 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 Wax jack 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 Wax jack 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 Wax jack

In research: Wax jack 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 Wax jack 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: Wax jack is common in secondary-school and first-year university syllabi. It links to neighbouring topics Household hardware, Seals (insignia), so understanding it makes those chapters shorter.
In everyday life: Look for Wax jack 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Wax jack in 20 minutes

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

Frequently asked questions

What is Wax jack in simple terms?

A wax jack (wax-jack, taper-jack) is a device used to hold a taper of sealing wax intended to create sealings on documents. The wax jack was first introduced in 1700.

Why does Wax jack 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 Wax jack?

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 Wax jack.