Before the advent of refrigeration, crocks were used in American kitchens to hold foodstuffs such as butter, salted meats and pickled vegetables. The crocks were invariably made of stoneware, a durable, economical ceramic that remains water-tight, even without a glaze.

What is salt glaze crock?

Salt-glaze or salt glaze pottery is pottery, usually stoneware, with a glaze of glossy, translucent and slightly orange-peel-like texture which was formed by throwing common salt into the kiln during the higher temperature part of the firing process.

What is a crock used for?

A crock is a pottery container sometimes used for food and water, synonymous with the word pot, and sometimes used for chemicals. Derivative terms include crockery and crock-pot. A gypsy's crock is a (traditionally three-legged) cooking pot.

How can you tell how old a crock is?

An antique crock typically has a thick structural wall, often with a telltale bow in the center. Antique crocks feature very simple freehand-painted decorations, usually executed in cobalt blue ink. Stenciled or hand-drawn letters and numbers also appear on most old crocks.

How old is salt glazed pottery?

Salt glazed stoneware probably originated in the Rhineland area of Germany circa 1400s.

How Salt-Glazed Stoneware is Made | The Henry Ford's Innovation Nation

What does salt glaze look like?

salt glaze, in ceramics, a glaze having the texture of orange peel, formed on stoneware by throwing common salt into the kiln at the peak temperature. Sodium from the salt combines with silica in the clay to form a glassy coating of sodium silicate.

How can you tell salt from glaze?

The first number typically identified the pottery's shape, while the second number usually referred to the item's height in centimeters, which is enough for many antique collectors to divine the item's maker. For salt-glazed beer steins, the mark might appear as punched or stamped initials or numbers on the pewter lid.

What does the number on the side of a crock mean?

A single number painted, stamped, or impressed on the crock typically indicates its size. A three would mean 3 gallons or 3 quarts. The style, font, and placement of the number can sometimes help you identify the maker.

What were antique crocks used for?

A. Before the advent of refrigeration, crocks were used in American kitchens to hold foodstuffs such as butter, salted meats and pickled vegetables. The crocks were invariably made of stoneware, a durable, economical ceramic that remains water-tight, even without a glaze.

Do old crocks have lead?

The older crocks are certainly much cooler, but I can't speak to who did and didn't use lead. None of the new crocks have lead. I would say, if you can test them before you buy then that is your best bet.

What can you do with a stoneware crock?

Our preserving crocks can also be used for everyday purposes, such as pantry storage and kitchen containers. They are perfect for holding potpourri, candy, magazines, kitchen utensils, cookbooks, pens, pencils, and/or candles. Some of them are even size appropriate to be used as pet feeders.

What does it mean to call someone a crock?

Definition of crock (Entry 3 of 4) 1 : one that is broken-down, disabled, or impaired so many old … crocks with one foot in the grave— Angus Wilson. 2 slang : a complaining medical patient whose illness is largely imaginary or psychosomatic. crock.

How were stoneware crocks made?

Stoneware Crock, 1855-1880

This crock was made of a durable, leak-proof pottery called stoneware, shaped on a potter's wheel. The orange-peel-like outer glaze was created when the potter threw handfuls of common rock salt into a white-hot kiln during the piece's firing.

What are glazes made of?

Glazes consist of silica, fluxes and aluminum oxide. Silica is the structural material for the glaze and if you heat it high enough it can turn to glass. Its melting temperature is too high for ceramic kilns, so silica is combined with fluxes, substances that prevent oxidation, to lower the melting point.

What is one of the three categories of a glaze recipe that needs to be balanced in a glaze?

• Too much flux causes a glaze to run, and tends to create variable texture on the surface. ...
• Too much silica will create a stiff, white and densely opaque glass with an uneven surface.

What is redware pottery?

: earthenware pottery made of clay containing considerable iron oxide.

Are antique crocks safe to use?

Testing Your Old Crock for Lead.

How do you clean old crocks?

Remove layers of dirt and grime by soaking the stoneware in a mixture of 1 cup ammonia and 2 gallons of hot water. Allow the piece to soak for 24 hours, then scrub lightly with a soft-bristled brush. Remove pencil marks or remnants of silver and other plating with metal polish or a simple pencil eraser.

Are old Crock pots safe to use?

Is my vintage slow cooker safe to use? If you're still using your vintage Crock-Pot from the '70s, it's time to give it a check-up. Make sure the slow cooker's cords are in good condition. If the cord is frayed or not perfectly intact from the appliance to the plug, you should not use it.

How much is a 50 gallon Redwing crock worth?

Answer: Tamara, if your dad's Red Wing 50 gallon crock is in perfect condition, the value is between $1700 & $2000. The lid with the damage is maybe $200 to $300.

How much is a 40 gallon Red Wing crock worth?

Answer: Amy, Your 40 gallon crock in mint condition has a value around $1000. You can try your local craigslist, face book for sale site or advertise on here.

Why is Red Wing Pottery closing?

The owners, Bruce and Irene Johnson, have confirmed that they will be closing their current manufacturing and retail location at 4909 Moundview Drive in Red Wing, Minn., this fall. The couple cited health issues and other business opportunities as the reasons for closing.

What is a salt fire?

Salt firing is a process where unglazed ware is fired to high temperatures and salt fumes are introduced into the kiln chamber (normally by a spray in the burner ports). The sodium in the salt forms a vapour cloud in the kiln. ... Salt glazed ware typically has distinctive marbled and variegated surface effects.

Is salt fired pottery Food Safe?

This is in most instances considered “food safe”. Salt glaze. ... During the kiln firing process, salt is thrown into the kiln. The sodium released reacts with the silica in the pottery and as a result a glassy, translucent outer coating forms on the piece.

Who uses a kiln?

Modern kilns are used in ceramics to fire clay and porcelain objects, in metallurgy for roasting iron ores, for burning lime and dolomite, and in making portland cement. They may be lined with firebrick or constructed entirely of heat-resistant alloys.