science

Pick glass

Pick glass 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 Pick glass rather than just read about it. In short: A pick glass also known as a piece glass is a magnifying glass helpful in counting thread count. It is used to determine the number of yarns in warp and weft in woven fabrics and courses and wales in knitted fabrics.

Key takeaways

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

Reference excerpt

A pick glass also known as a piece glass is a magnifying glass helpful in counting thread count. It is used to determine the number of yarns in warp and weft in woven fabrics and courses and wales in knitted fabrics. Compact constructions of fabrics may have a higher thread count. That is also called "cloth count".

Function Pick glasses aid in measuring the following.

Ends and picks Ends per inch is the number of warp threads per inch of woven fabric. Picks per inch is the number of weft threads per inch of woven fabric. Pick is a term that refers to a single weft thread. By and large, the more ends and picks per inch, the finer the cloth. Balanced plain weave fabrics have warp and weft threads that are the same weight (size) and have the same number of ends and picks per inch.

Courses and Wales Loops are the building blocks of knitted fabrics, and courses and wales in knitted fabrics are importantly similar to ends and picks in woven fabrics. The knitting structure is formed by intermeshing the loops in consecutive rows.

Courses: are the total number of horizontal rows measured in per inch or per centimetre. The course is a horizontal row of loops formed by all the adjacent needles during one revolution. course length is obtained by multiplying loop length with the number of needles involved in the production of the course. Wales: are the number of vertical columns measured in per inch or per centimetre.

Illustrations

Worked examples

Example 1 — a first encounter with Pick glass

Start with the simplest possible case. Write down what Pick glass 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 Pick glass 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 Pick glass 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 Pick glass

In research: Pick glass 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 Pick glass 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: Pick glass is common in secondary-school and first-year university syllabi. It links to neighbouring topics Magnifiers, Textiles, so understanding it makes those chapters shorter.
In everyday life: Look for Pick glass 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 Pick glass in 20 minutes

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

Frequently asked questions

What is Pick glass in simple terms?

Why does Pick glass 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 Pick glass?

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 Pick glass.