Showing posts with label history. Show all posts
Showing posts with label history. Show all posts

Monday, August 31, 2020

Notre Dame Cathedral History

It was restored by architect. It emerged in the 19th century.

A Brief History Of Notre Dame Cathedral Rouen

The Basilica of Saint Étienne which was built on the site of a Roman temple dedicated to Jupiter torn down to make way for the Cathedral of Notre Dame.

Notre dame cathedral history. Architecture of Notre-Dame Cathedral The cathedral is roughly 128 metres 420 ft in length and 12 metres 39 ft wide in the nave. It is located on a small island called the Ile de la Cite in the middle of the River Seine. Visits 800 year history architecture and dimensions.

Conceiving Notre-Dame cathedral Bishop Maurice de Sully kept in mind holy texts describing the Heavenly Jerusalem. Known in French as Notre-Dame de Paris or Cathédrale Notre-Dame de Paris the Notre-Dame Cathedral or Our Lady of Paris is a magnificent Gothic cathedral located in the Paris. Its central spire was added during restoration in the 19th century replacing the original which had been completely removed in the 18th century because of instability.

Cornerstone laid by Pope Alexander III. Notre Dame was badly damaged during the French Revolution during which heads of statues were removed and the cathedral was used for food storage. Notre Dame was conceived to become the French capitals landmark.

This Catholic treasure is over 800 years old. The interior of the cathedral is 427 by 157 feet 130 by 48 metres in plan and the roof is 115 feet. A highlight of French Gothic architecture.

The Cathedral of Notre-Dame in Tournai was built in the first half of the 12th century. A medieval religious center and a Bible made of stones. Notre-Dame Cathedral in Tournai.

Notre Dame Cathedral History One of the most notable monuments in Paris and in all of Europe for that matter is the Notre Dame Cathedral. Notre Dame Cathedral drawing by Auguste Pugin in 1827. Construction of the cathedral began in 1163 under Parisian bishop Maurice de Sully.

Notre-Dame Cathedral consists of a choir and apse a short transept and a nave flanked by double aisles and square chapels. The cathedral was built on a small island called the Île de la Cité in the middle of the Seine. Its cruciform plan elevated nave transept and tower were borrowed from 11th-century Romanesque architecture but its pointed arches and rib vaulting were strictly Gothic.

Notre-Dame Cathedral facts. Therefore the construction of a Gothic cathedral dedicated to the Virgin Mary Notre-Dame means Our Lady began in 1163 only to finish in 1345. It is a little known fact that Notre-Dame had around 11 million visitors yearly until the fire which was more than Disneyland Paris the.

1163-1250 and modifications restorations and renovations continued for centuries after. This Catholic cathedral which dates back to the Middle Ages is most famous for its architectural splendor and size visited by millions of people a year. In light of the recent tragic fire heres a look at the incredible history surrounding the beautiful Notre Dame Cathedral in Paris France.

The Notre-Dame Cathedral in Paris one of Frances most iconic structures is up in flames after catching fire on Monday bringing with it a storied history that dates back hundreds of years. The Gothic Cathedral of Notre Dame de Paris took nearly 100 years to complete c. An 800-year history of Pariss Notre Dame Cathedral This resilient gravity-defying Gothic cathedral survived centuries of Frances turbulent past.

The early Gothic style employed at the beginning of the campaign became outdated and the later Gothic style the Rayonnant became fashionable and can be seen in the transepts. From the crowning on Henry VI of England in 1431 Napoleons crowning in 1804 and to the honoring of Joan of Arc in 1909 the cathedrals prominence in European world history is quite apparent. Visits 800 year history architecture and dimensions.

The cathedral was constructed in the 12th century with its famous spire standing since 1852. It is especially distinguished by a Romanesque nave of extraordinary dimensions a wealth of sculpture on its capitals and a transept topped by five towers all precursors of the Gothic style. The cathedral has witnessed many coronations wars and restorations.

Construction began in 1163 during the reign of King Louis VII and was completed in 1345. Notre Dame Cathedral was commissioned by King Louis VII who wanted it to be a symbol of Pariss political economic intellectual and cultural power at.

Thursday, May 7, 2020

Plastic Bags History

Vinyl is commonly used for blood bags and IV tubing and in building and construction products including siding. 1982 Grocery chains Kroger and Safeway replace their paper bags with plastic.

What Is Plastic Ppt Download

1980s The Dixie Bag Company begins manufacturing and marketing plastic bags as an alternative to the then used paper bags in grocery stores.

Plastic bags history. Polyvinyl chloride called PVC or vinyl was developed to replace natural rubber and quickly proved itself one of the most versatile plastics. The story of the plastic bag the kind that is so ubiquitous in grocery stores in gutters in the branches of treesis a story of persuasion one that began with a battle between paper and plastic in the hearts of the American people. Originally packaged on rolls these plastic bags were are far cry from the lockable containers many people use today and were similar to produce bags.

In 1965 Swedish company Celloplast came up with the design on which all modern plastic shopping bags are based. 1966 Plastic produce bags on a roll are introduced in grocery stores. Plastic bags were patented by a company called Celloplast and by the middle of the 1960s they were actively replacing paper and cloth alternatives in Europe.

1979 Already controlling 80 of the bag market in Europe plastic bags go abroad and are widely introduced to the United States. A tube of plastic sealed at the bottom to allow for the packaging of goods an open. Photo by Creative Commons.

1965 The plastic bag we use today is invented by the Swedish company Celloplast. Get Results from 6 Engines at Once. People are fond of the old paper bag Peter Bunten explained to the New York Times in 1984Its as American as the flag and apple pie and all.

Plastic bags first originated in Sweden after an engineer patented the design. The History of Plastic Bags Posted June 30 2015 by Rutan Poly Patent applications that are relevant to the manufacturing of plastic bags date back to the early 1950s. Plastic companies begin to aggressively market their product as superior to paper and reusable bags.

It wasnt until Mobil Chemical made their own bag in the United States that plastic bags started getting mass produced. Fast forward to 1979 plastic bags already accounted for 80 percent of Europes bag market. However these bags were used in industrial processes particularly for composite construction.

Ad Search A A Storage. Ad Search A A Storage. Plastic bags were invented to save the planet according to the son of Swedish engineer Sten Gustaf Thulin who created them in 1959.

While you might think this would mean that Sweden became a plastic bag-making powerhouse that wasnt the case. The first plastic bag The modern plastic shopping bag was created in the early 1960s by a Swedish engineer by the name of Sten Gustaf Thulin. Get Results from 6 Engines at Once.

Thulins design produced a simple strong bag with a high load-carrying capacity. 1957 The plastic bag makes its first appearance as a sandwich bag. He created these plastic bags for the packaging company Celloplast of Norrkoping Sweden.

1969 The New York City Sanitation Departments New York City Experiment demonstrates that plastic refuse bag curbside pickup is cleaner safer and quieter than metal trash can pick-up beginning a shift to plastic can liners among consumers. So here is the history of the plastic bag summed up in some important dates.

Friday, August 17, 2018

Tb Vaccine History

Edward Jenner was the first to test a method to protect against smallpox in a scientific manner. The BCG vaccine has been in use since 1921.

July 18 90 Years Of Tuberculosis Vaccination History Of Vaccines

The only existing vaccine against tuberculosis TB Bacille Calmette-Guérin BCG created in 1921 has variable protective efficacy.

Tb vaccine history. Tuberculosis vaccine development. While Australia now has one of the lowest tuberculosis TB incidence rates in the world TB was once a leading cause of death in Australia and was a focus for public health policy during the first half of the 20th century. Polio vaccine history During the 1950s two brilliant American scientists were locked in a ruthless race to perfect their own polio vaccines.

The history of the BCG vaccine starts with Albert Calmette and Camille Guerin. Streptomycin was discovered in 1946 -- the first specific antibiotic that could kill the TB-causing bacterium. Bacille Calmette-Guérin BCG is the only vaccine available today and has been used for more than 90 years with astonishing safety records.

Despite significant advances in reducing mortality in recent decades through improved diagnosis and drug treatment regimens TB. July 18 2011 marks an important anniversary in the history of infectious disease and vaccineson July 18 1921 the tuberculosis vaccine was first given to a human. Tuberculosis - Tuberculosis - Tuberculosis through history.

As a result of intense research in understanding TB vaccinology there are many new vaccine candidates in clinical development and many more in pre-clinical trials which aim either to replace or boost BCG vaccine. This review discusses the history of BCG vaccine development and summarizes limitations of the current vaccine strategy and recent. A pioneering work toward the prevention of tuberculosis was made by Albert Calmette and Jean-Marie Camille Guerin who developed the Bacille Calmette-Guérin BCG vaccine.

Many researchers are working to develop a more effective tuberculosis vaccine. BCG is an abbreviation of Bacillus Calmette-Guerin meaning the bacilli of Calmette and Guerin. It is estimated that about a third of the worlds population are infected with Mycobacterium tuberculosis Mtb.

TB Vaccine BCG Bacille Calmette-Guérin BCG is a vaccine for tuberculosis TB disease. Tuberculosis Vaccines Questions and Answers on Tuberculosis Vaccines 4 February 2013. He did his study in 1796 and although he did not invent this method he is often considered the father of vaccines because of his scientific approach that proved the method worked.

Tuberculosis which causes the disease. Treating and preventing TB has become a permanent challange since the ancient times. Tuberculosis TB is the worlds leading infectious cause of death.

The vaccine was developed over a period of 13 years from 1908 to 1921 by French bacteriologists Albert Calmette and Camille Guérin who named the product Bacillus Calmette-Guérin or BCG. This and other antibiotics became widely used against TB in the 1950s. The vaccine developed by French scientists Albert Calmette and Camille Guérin was an oral preparation of Bacillus Calmette-Guérin or.

This vaccine is not widely used in the United States but it is often given to infants and small children in other countries where TB is common. Genetic evidence gathered from these studies indicates that roughly 9000 years ago there existed a strain of M. Discovery of vaccine.

BCG vaccine against TB. Tuberculosis TB was called phthisis in ancient Greece tabes in ancient Rome and schachepheth in ancient Hebrew. Antibiotic treatment and a gradual decline in the incidence of tuberculosis led to shorter stays in sanatoria.

Between 1905 and 1918 Calmette and Guerin carried out research into the. It is generally accepted that the causative agent Mycobacterium tuberculosis originated from other more primitive organisms of the same genus MycobacteriumIn 2014 results of a new DNA study of a tuberculosis genome reconstructed from remains in southern Peru. Tuberculosis and humans have long coexisted comes primarily from studies of bone samples collected from a Neolithic human settlement in the eastern Mediterranean.

Tuberculosis similar to strains present in. History of tuberculosis control in Australia History of tuberculosis control in Australia. Throughout history the disease tuberculosis has been variously known as consumption phthisis and the White Plague.

TB was commonly called consumption in the 1800s even after Schonlein named it tuberculosis. Moreover the emergence of multi-drug resistant TB and the current TB-HIV epidemic has raised even greater concern. The BCG vaccine is prepared from a weakened strain of Mycobacterium bovis a bacteria closely related to M.

The hope is to develop a vaccine that prevents infection with tuberculosis which would reduce the great burden of disease global and also reduce transmission of the TB bacteria. In the 1700s TB was called the white plague due to the paleness of the patients. They were two French scientists who from 1905 had been working on developing a vaccine against TB.

Jonas Salk 191495 inactivated polioviruses using formalin embalming fluid and finally produced an injectable dead polio vaccine that was tested in 1954 in more than 18 million American and. 90 Years of Tuberculosis Vaccination. If you have no reaction to the skin test this is a negative result and you can safely have the BCG vaccine.

BCG does not always protect people from getting TB. What is the current status of tuberculosis vaccine development. BCG vaccine vaccine against tuberculosis.

At first it was offered to children of school leaving age 14 years old because TB was most common in young adults at this time. The BCG vaccine was introduced into the UK schedule in 1953.

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