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physics

Pie safe

Pie safe is a physics 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 Pie safe rather than just read about it. In short: A pie safe, also called a pie chest, pie cupboard, kitchen safe, and meat safe, is a piece of furniture designed to store pies and other food items. This was a normal household item before iceboxes came into regular use, and it was an important part of the American household starting in the 1700s and continuing through the 1800s.

Pie safe — main illustration
Pie safe — illustration

Key takeaways

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

Reference excerpt

A pie safe, also called a pie chest, pie cupboard, kitchen safe, and meat safe, is a piece of furniture designed to store pies and other food items. This was a normal household item before iceboxes came into regular use, and it was an important part of the American household starting in the 1700s and continuing through the 1800s. The pie safe was used to store not only pies, but bread, meat, and other perishables as well, to protect them from insects and vermin.

Origins The origin of the pie safe can be traced back to the early 1700s in America. It was likely introduced by German immigrants to the country, who typically settled in the Pennsylvania area. These people later become known as the Pennsylvania Dutch. The pie safe was introduced to protect perishables and other ingredients from vermin and pests. Their popularity meant that most American homes during this period possessed a pie safe, or similar regional variation.

Design A common pie safe is made of wood, is around the same size as a large bureau, and is approximately 18 inches (46 cm) deep. The shelves within the storage area are often perforated. The safe normally has two hinged doors on the front. These doors, and usually the sides, are ordinarily ventilated either with tin plates with punched holes, or screens. The holes in the tin are often punched to produce an image such as a simple shape, or something more intricate like a church scene, eagles, and stars, or even a Masonic emblem. A notable design is the Wythe County pie safe, which has a distinctive tulip pattern.

Pie safes that are freestanding are ordinarily made with long legs to keep them away from the floor. Some are wall-mounted or suspended from the ceiling. Most have a drawer, usually above the pie storage area, but sometimes below.

A notable pie safe maker was the American industrialist and founder of PPG Industries (then known as the Pittsburgh Plate Glass Company), Captain John Baptiste Ford, who made tin pie safes and sold them throughout the United States.

Regional variations

Garde-mangers In Cajun or Creole Louisiana, a pie safe is referred to as a garde-manger or a garde de manger. Pie safes from this region had doors with punched tin panels known in the region as tôles de panneaux, or were inlaid with baluster, closely spaced. These items of furniture were considered utilitarian, as opposed to decorative, and were often coloured dull red, referred to as gros rouge.

California coolers Many San Francisco homes built during the Victorian and Edwardian era (1890-1930) had built-in pie safes, known locally as "California coolers". These took the form of small pantries, typically off the home's kitchen, that were vented to the outside to keep contents at a stable temperature due to the city's generally cool weather.

Impact and legacy The origin of the name of chess pie may have come from the term "pie chest", another name for a pie safe. Pie safes are considered to be collectable antiques and are commonly reproduced. They are popular pieces in the shabby chic interior design style.

References

External links Media related to Pie safes at Wikimedia Commons

Illustrations

Pie safe illustration
Pie safe illustration
Pie safe illustration
Pie safe illustration
Pie safe: Detail of a tin panel from a pie safe at the American Eagle Exhibit held at Taylor University
Detail of a tin panel from a pie safe at the American Eagle Exhibit held at Taylor University

Worked examples

Example 1 — a first encounter with Pie safe

Start with the simplest possible case. Write down what Pie safe claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, 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 Pie safe 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 Pie safe 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 Pie safe

In research
Pie safe appears in physics 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 Pie safe 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
Pie safe is common in secondary-school and first-year university syllabi. It links to neighbouring topics Furniture, Mechanical pest control, so understanding it makes those chapters shorter.
In everyday life
Look for Pie safe 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 Pie safe in 20 minutes

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

Frequently asked questions

What is Pie safe in simple terms?

A pie safe, also called a pie chest, pie cupboard, kitchen safe, and meat safe, is a piece of furniture designed to store pies and other food items. This was a normal household item before iceboxes came into regular use, and it was an important part of the American household starting in the 1700s a…

Why does Pie safe matter?

Because it connects several physics 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 Pie safe?

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 Pie safe.

Tags

  • Furniture
  • Mechanical pest control

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