History And Invention Of The Can Opener

History And Invention Of The Can Opener, is going to be today’s post here in Discover My Inventions, can openers is another kitchen tool that has been around since 1772, and it is also another small electric appliance that everyone owns, and I thought this would make a great post for Discover my inventions which is based on inventions and history.

A can opener (in North American English and Australian English) or tin opener (in British and Commonwealth English) is a device used to open tin cans (metal cans). Although preservation of food using tin cans had been practiced since at least 1772 in the Netherlands, the first can openers were not patented until 1855 in England and 1858 in the United States.

These early openers were basically variations of a knife, though the 1855 design continues to be produced, the first can opener consisting of the now familiar sharp rotating cutting wheel was invented in 1870 but was considered too difficult to operate for the ordinary consumer. A breakthrough design came in 1925 when a second, serrated wheel was added to hold the cutting wheel on the ring of the can. This easy to use design has become one of the most popular can opener models.

Around the time of World War II, several can openers were developed for military use, such as the American P-38 and P-51. These featured a robust and simple design where a folding cutting blade and absence of a handle significantly reduced the opener size. Electric can openers were introduced in the late 1950s and met with success, the development of new can opener types continues with the recent addition of a side-cutting model.

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History And Invention Of The Lawn Mower

History And Invention Of The Lawn Mower, is going to be today’s post here in Discover My Inventions, the lawn mower has added beauty and value to our lawns for many years the lawn mowers also comes in many different styles, and that’s one of the things about Discover my inventions is I take a great deal of interest in a lot of things, and that’s the reason why I created this blog which is about history and inventions.

A lawn mower (mower) is a machine utilizing one or more revolving blades to cut a grass surface to an even height. The height of the cut grass may be fixed by the design of the mower, but generally is adjustable by the operator, typically by a single master lever, or by a lever or nut and bolt on each of the machine’s wheels.

The blades may be powered by muscle, with wheels mechanically connected to the cutting blades so that when the mower is pushed forward, the blades spin, or the machine may have a battery-powered or plug-in electric motor. The most common power source for lawn mowers is a small (typically one cylinder) internal combustion engine.

Smaller mowers often lack any form of propulsion, requiring human power to move over a surface; walk-behind mowers are self-propelled, requiring a human only to walk behind and guide them. Larger lawn mowers are usually either self-propelled walk-behind types, or more often, are ride-on mowers, equipped so the operator can ride on the mower and control it. A robotic lawn mower (lawn-mowing bot, mowbot, etc.) is designed to operate either entirely on its own, or less commonly by an operator by remote control.

The first lawn mower was invented by Edwin Budding in 1830[1] in Thrupp, just outside Stroud, in Gloucestershire, England. Budding’s mower was designed primarily to cut the grass on sports grounds and extensive gardens, as a superior alternative to the scythe, and was granted a British patent on August 31, 1830.

An early cylinder (reel) mower, showing a fixed cutting blade in front of the rear roller and wheel-driven rotary blades, budding’s first machine was 19 inches (480 mm) wide with a frame made of wrought iron. The mower was pushed from behind. Cast-iron gear wheels transmitted power from the rear roller to the cutting cylinder, allowing the rear roller to drive the knives on the cutting cylinder; the ratio was 16:1.

Another roller placed between the cutting cylinder and the main or land roller could be raised or lowered to alter the height of cut. The grass clippings were hurled forward into a tray-like box. It was soon realized, however, that an extra handle was needed in front to help pull the machine along. Overall, these machines were remarkably similar to modern mowers.

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History And Creation Of Food City

History And Creation Of Food City, is going to be today’s post here in Discover My Inventions, Food City which is a well-known name supermarket, food city regionally started out as Piggly Wiggly, which was well known supermarket of the 1950s through till the mid-1980s then was changed to Food City, and I can remember the location of the stores when it first started out here in Eastern Kentucky.

The new locations was found and you stores were built and now the old original buildings which once was Piggly Wiggly and Food City is now called Super Dollar which is a grocery chain which is in the category of Save-A-Lot food store. Food City is an American supermarket chain with stores located in Georgia, Kentucky, Tennessee, and Virginia.

It offers the house labels Food Club, Top Crest, ValuTime, Food City Fresh!, Food City Premium, Full Circle, Domestix, Electrix, Academix, Pet Club, and World Classics many of which are part of the Topco corporate brand program. Food City is also the exclusive distributor of regional favorites such as Kay’s Ice Cream, Moore’s Classic Snacks, Terry’s Classic Snacks, Kern’s Bread, Lay’s Classic Meats, along with Chuck Wagon Dog Food.

K-VA-T Food Stores traces its history to 1955, when company founder Jack Smith opened his first 8,800-square-foot (820 m2) Piggly Wiggly store in Grundy, Virginia, with the help of three special stockholders: his father, Curtis Smith, uncle, Earl Smith and cousin, Ernest Smith. In 1963, Smith added a second store in South Williamson, Kentucky, followed by a newly constructed third location in Pikeville, Kentucky, in 1965, and a store in Prestonsburg, Kentucky, in 1967.

The company continued to grow steadily until 1984 when they acquired Quality Foods, a 19-store chain (founded in 1918), that operated under the Food City name. The Smiths adopted Food City as the new nameplate, along with its heritage, for all of their stores going forward. In 1989, Food City purchased the 43-store White Stores chain based out of Knoxville, TN, more than doubling the size of the company.

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History Of Easter Sunday

History Of Easter Sunday, is going to be today’s post here in Discover My Inventions, Easter, is also called Pascha Greek, Latin or Resurrection Sunday, is a festival and holiday celebrating the resurrection of Jesus from the dead, described in the New Testament as having occurred on the third day of his burial after his crucifixion by the Romans at Calvary c. 30 AD. It is the culmination of the Passion of Jesus, preceded by Lent (or Great Lent), a forty-day period of fasting, prayer, and penance.

Most Christians refer to the week before Easter as “Holy Week”—it contains the days of the Easter Triduum, including Maundy Thursday, commemorating the Maundy and Last Supper, as well as Good Friday, commemorating the crucifixion and death of Jesus. In Western Christianity, Eastertide, or the Easter Season, begins on Easter Sunday and lasts seven weeks, ending with the coming of the fiftieth day, Pentecost Sunday. In Eastern Christianity, the season of Pascha begins on Pascha and ends with the coming of the fortieth day, the Feast of the Ascension.

Easter and the holidays that are related to it are moveable feasts which do not fall on a fixed date in the Gregorian or Julian calendars which follow only the cycle of the sun; rather, its date is determined on a lunisolar calendar similar to the Hebrew calendar. The First Council of Nicaea (325) .

Established two rules, independence of the Jewish calendar and worldwide uniformity, which were the only rules for Easter explicitly laid down by the council. No details for the computation were specified; these were worked out in practice, a process that took centuries and generated a number of controversies. It has come to be the first Sunday after the ecclesiastical full moon that occurs on or soonest after 21 March, but calculations vary.

Easter is linked to the Jewish Passover by much of its symbolism, as well as by its position in the calendar. In many languages, the words for Easter and Passover are identical or very similar. Easter customs vary across the Christian world, and include sunrise services, exclaiming the Paschal greeting, clipping the church, and decorating Easter eggs (symbols of the empty tomb).

The Easter lily, a symbol of the resurrection, traditionally decorates the chancel area of churches on this day and for the rest of Eastertide. Additional customs that have become associated with Easter and are observed by both Christians and some non-Christians include egg hunting, the Easter Bunny, and Easter parades, there are also various traditional Easter foods that vary regionally.

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History And Invention Of The MP3 Player

History And Invention Of The MP3 Player, is going to be today’s post here in Discover My Inventions, I really enjoy my little MP3 player, and MP3 player is great and is so small for such a big sound, an MP3 player or Digital Audio Player is a battery operated device that can play digital audio files. It is a type of Portable Media Player. The term ‘MP3 player’ is a misnomer, as most players play more than the MP3 file format.

Since the MP3 format is widely used, almost all players can play that format. In addition, there are many other digital audio formats. Some formats are proprietary, such as MP3, Windows Media Audio (WMA), and Advanced Audio Coding (AAC). Some of these formats also may incorporate digital rights management (DRM), such as WMA DRM, which are often part of paid download sites. Other formats are patent-free or otherwise open, such as Vorbis, FLAC, and Speex (all part of the Ogg open multimedia project).

It was In 1981, Kane Kramer filed for a UK patent for the IXI, the first Digital Audio Player, UK patent 2115996 was issued in 1985, and U.S. Patent 4,667,088 was issued in 1987. The player was as big as a credit card and had a small LCD screen, navigation and volume buttons and would have held at least 8 MB of data in a solid state bubble memory chip with a capacity of 3.5 minutes worth of audio.

Plans were made for a 10-minute stereo memory card and the system was at one time fitted with a hard drive which would have enabled over an hour of recorded digital music. Later Kramer set up a company to promote the IXI and five working prototypes were produced with 16 bit sampling at 44.1 kilohertz with the pre-production prototype being unveiled at the APRS Audio/Visual trade exhibition in October 1986.

However, in 1988 Kramer’s failure to raise the £60,000 required to renew the patent meant it entering the public domain, but he still owns the designs, In the year 1987 a German Company by the name of Fraunhofer-Gesellschaft started the research program for coding music with the high quality and low bit rate sampling at its institute. The project was controlled by an expert in mathematics and electronics, Karlheinz Brandenburg.

The first MP3 player was developed by SaeHan Information Systems in 1997, nevertheless, the first one on the American market was the Eiger Labs F10, a 32MB portable that appeared in the summer of 1998. It was a very basic unit and wasn’t user expandable, though owners could upgrade the memory to 64MB by sending the player back to Eiger Labs with a check for $69.00 + $7.95 shipping.

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