How was ice made ice before refrigeration?
Before refrigeration, ice was an extreme luxury in the summer
months. In Europe, drinks were kept chilled (and ices made) by
bottling liquids and cooling them in a solution of water and
saltpeter, which produces relatively low temperatures.
In general, households which had ice had generally stored some from winter, packed in sawdust, in an ice house. I remember being fascinated as a little girl reading the scene in Laura Ingalls Wilder's Farmer Boy where Almanzo and his family cut large blocks of ice from a pond with a huge saw and then pack and store them.
Those who didn't have the means or the wherewithal to store ice-which was most people-kept their food and drinks as cool as possible by storing them in window boxes, in spring houses where small streams ran through cool dark building, or even sometimes tied to lines under water in a lake or pond. As you can imagine, this wasn't terribly effective and many people died from eating spoiled food and/or dairy, most famously President Zachary Taylor who was said to have been brought down by a snack of cherries and cream eaten at an Independence Day celebration.
It wasn't until the latter part of the 19th century that refrigerated train cars came about as a means of shipping produce. The first of these were cooled by blocks of ice housed in insulating material (patented in 1867, I believe). Before that, all of the produce you could buy had to be grown locally. The invention of refrigerated train cars helped establish Chicago as the "hog butcher to the world" (because meat no longer had to be butchered on site and sold immediately) and California as a mass producer of "luxury" perishables (citrus fruits, peaches, avocados, etc.). The invention of refrigerated train cars made such an impact on society, that it is actually part of the U.S. History curriculum I teach to my 11th graders!
Hope this answers your question. It is amazing to think of how many years people lived without the modern conveniences we enjoy today.
Before refrigeration the only source of ice was natural ice. Ice would be harvested in the winter from frozen rivers in cold climates and then stored in large quantities in insulated underground icehouses. Ice would even be shipped aroud the world to warmer climates. Read More
Ice cream cannot get "hot" at all before melting. It will begin to melt as soon as it is removed from refrigeration. Read More
Not sure what you are asking here exactly, but Ice makers in the centuries before refrigeration often used sawdust to insulate ice blocks in the ice houses, to slow the rate of melting. And to prevent the blocks from sticking together. Read More
the compressor refrigeration mixers freeze-up to ice cream Read More
In the early 1900's before modern refrigeration, ice houses would store large amounts of ice for delivery to people's homes in order to keep food fresh. Instead of electric refrigerators, kitchens would use ice boxes where this ice was kept. Read More
In non-cyclic refrigeration, cooling is accomplished by melting ice or by subliming dry ice (frozen carbon dioxide). These methods are used for small-scale refrigeration such as in laboratories and workshops, or in portable coolers. UET TAXILA Mechanical pirates Read More
I think ice was available and was only for the rich or well off.They built purpose made outhouses for the storing of the precious commodity. Read More
Charles Thomas Baker has written: 'Ice making' -- subject(s): Ice, Manufactures 'Applications of refrigeration ..' -- subject(s): Refrigeration and refrigerating machinery Read More
The difference between freezing and refrigeration when dealing with bacteria is that freezing stops growth and refrigeration only slows down the growth. Freezing also causes ice crystals to form and refrigeration only keeps food cool. Read More
absorption refrigeration is when ice is put in a compartment above a warmer compartment and absorbs rising warm air thus making it colder. Read More
Without refrigeration: no more than a couple hours. With refrigeration: should be consumed the day it is made - the mayo will eventually get absorbed into the bread and make it very soggy. Read More
When moisture is present in a refrigeration system it will react with the refrigerant and the oil to form?
Ice Read More
Refrigeration is important for the storage of food and also for preparing certain specialty desserts. Some foods such as ice cream and desserts taste better when they are chilled. Read More
where is dairy queen's ice cream made before they send it out? Read More
Thick glass. Cooling agent is Dry Ice. Read More
It mostly had to do with refrigeration-- or better put, the lack of refrigeration. Remember that "ice boxes" were at first only large blocks of ice brought in from the ice huckster (seller) who sold from the back of a wagon or box wagon. Ice shavings were easy to make from the large block. Flavors were added. True "ice cream" developed from there. As well, drug stores were central businesses that drew many customers. A… Read More
Does it matter if vanilla is put in with ingredient bases for ice cream or when the ice cream is made?
Put it in before the ice cream is made. Your going to want to add the vanilla before you make your icecream. This will help the vanilla incorporate better. Read More
No. If there wasn't an Earth, there wouldn't be anywhere for there to be an ice age. Read More
that theres a vacuum on it Read More
Until it's cold. This may take a few hours, so try putting insulated cool-blocks or ice under the plate which it's cooling on. Read More
its ingredients used to make ice cream. i know because i made homemade ice cream before Read More
Based on the theory by Florence Nightingale, cold is having a low or inadequate temperature or feeling a sensation of coldness or having been made cold by e.g. ice or refrigeration. Read More
at the metering device before the evaporator Read More
For about one day. Read More
Probably not, because there was no refrigeration back then! Good question though! Read More
John Gorrie patented an ice machine in 1851. Read More
Meat could be stored for longer periods of time, ie. you had to buy and consume meat the same day for it to be safe before refrigeration. Read More
Ice and ice boxes (insulated boxes or cabinets in which a block of ice was set) were the norm for keeping items cold. The ice could keep for several days if the box was well insulated and well sealed. Read More
Amount of heat required to Melt a Ton of Ice in a 24/h Period This converts to about 12000btu/h. Read More
12,000 BTU (British Thermal Unit.) The amount of heat required to melt one ton of ice. Read More
A Ton is the measurement of the amount of heat required to melt one ton of ice. It is also 12,000 BTU (British Thermal Unit) So the Ton is a measurement of the amount of heat that the refrigeration system can remove. Read More
yes indead it is but then frozen and flavouring is added before hand Read More
Sorry , not sure but i have made it before and i know it needs dry ice ! Read More
Yes. As it will prevent the food drying out in the fridge. Read More
Ice cream is made from milk , salt , sugar and ice.So,by feeding the cows sugar and salt before chilling it in a tub of ice and then squeezing the milk out from the udder-ice cream! It is originated some where on earth Read More
Ice cores taken by scientists to study the health of planet earth are returned under refrigeration to scientific laboratories on other continents. Read More
air contains moisture & suction line is very cold both in contact moisture turns into ice. just a joke Read More
Before Mario came with the NES automatically when bought, there was Ice Climbers. Read More
People cut ice blocks from lakes and rivers and used them. They put the ice blocks into ice boxes (an old name for what we now call a refrigerator). Other blocks were kept in insulated warehouses to be delivered later. Read More
Canning, smoking, salting and root cellars. Read More
Yes, generally hummus is sold as a fresh food. Read More
No, if they weren't bad before refrigeration. The can keep for about a week. Read More
Of course, ANY milk product or milk based product needs refrigeration Read More
The first known method of artificial refrigeration was demonstrated by William Cullen at the University of Glasgow in Scotland in 1748. Cullen used a pump to create a partial vacuum over a container of diethyl ether, which then boiled , absorbing heat from the surrounding air. The experiment even created a small amount of ice, but had no practical application at that time. ~From Wikipedia- Refrigeration Read More
Still air is an excellent thermal insulator, and the layers of newspaper are poor conductors, thus the ice cream carton will keep about as cool as you can get without using extra refrigeration. Read More