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  1. Steam Engine — 2023-10-08 00:19:36
    …ement to the high pressure engine at this point was the safety valve, which releases excess pressure. Reliable and safe operation came only with a great deal of experience and codification of construction, operating, and maintenance procedures. @@{…
  2. Anaesthetic — 2023-10-04 16:27:18
    … ^^As nitrous oxide appears capable of destroying physical pain, it may probably be used with advantage during surgical operations. ^^ === James Young Simpson 1847 === {{Databox caption="Inventor" Image="SimpsonJamesYoung.jpg" Who="Simpson James Yo…
  3. Bouncing bomb — 2023-09-23 12:03:28
    … underwater. ::c:: {{image url="Dambuster.jpg" class="left" title="Lancaster dropping bouncing bomb" width="500" }} == Operation Chastise == The attack on the German dams was carried out on 16–17 May 1943 by Royal Air Force No. 617 Squadron. Th…
  4. Electric Car — 2023-08-27 16:16:21
    …e operators afraid of losing their business. {{Image url="HummingbirdTaxi.jpg" class="right" title="Hummingbird Taxi in operation" width="450" }} == Britain's Red Flag Act == In 1865 Britain introduced the **'Locomotives on Highways Act'**. Better…
  5. Police — 2022-05-20 08:52:50
    …ice to perform their duties is dependent upon public approval of police actions. ~1) Police must secure the willing co-operation of the public in voluntary observance of the law to be able to secure and maintain the respect of the public. ~1) The …
    …degree of co-operation of the public that can be secured diminishes proportionately to the necessity of the use of physical force. ~1) Polic…
  6. Postage Stamp — 2021-11-06 16:32:56
    …charge be introduced that would sweep away the bureaucracy and vast amounts of useless labour thus cheapening the whole operation, which would enable the Post Office to fix the postage rate as low as **'One Penny'** this made postage available to th…
  7. Hip Replacement — 2021-08-20 11:18:03
    …ed before implanting them in a patient. Sir John and his team had created a clean-air system to protect patients during operations and clean trays to prevent cross-infection. == Key to Success == He wrote to all his patients asking //'could he hav…
    …worked during the years they had been in the body. == {{datediff from="1963" }} years on == The total hip replacement operation is seen as a landmark in 20th-century surgery, and is now one of the most performed elective surgical procedures in the…
  8. Concorde — 2021-08-20 11:08:12
    … could fly from New York to London in **2 hours 56 minutes**. Development for Concorde started in 1956 and it was still operational in 2003! Truly amazing. ::c:: == Flyover == {{Image url="ConcordeCliftonBridge.jpg" class="right" title="Concorde ov…
  9. Atomic Clock — 2021-08-20 10:45:05
    …cavity in the middle probing the atoms frequency and a sensitive detector at the other end. When it was first put in to operation, it was accurate to one second in 300 years. == Links == [[http://www.npl.co.uk/60-years-of-the-atomic-clock/timeline…
  10. Intraocular Lens — 2021-08-20 10:40:24
    …jected because ~'//an ophthalmic surgeon's job was to take material out of the eye, not to put it in//'; ~ and '//the operation demanded surgical skills on such a level that success would always be doubtful.//' == Overseas == As early as 1952 he…
    …t the end of the 1980s he himself had the lenses in both his eyes replaced. "I am the only man to have invented his own operation," he reflected. {{tag ids="Eye Cataracts Intraocular Lens Surgery Ophthalmologist "}}…
  11. Antiseptic — 2021-08-12 20:38:14
    …unning from March through July 1867. He instructed surgeons to wear clean gloves and wash their hands before and after operations with 5% carbolic acid solutions. Instruments were also washed in the same solution and assistants sprayed the solution…
  12. Horlicks — 2021-08-12 20:30:08
    …licks establishing its own plant. James Horlick bought a green field site in Slough from Eton College, the building was operational in 1908. The entire project cost £28,800 and by 1969, the extended factory produced 30 million pounds of powder a ye…
  13. Tarmac — 2021-08-09 21:38:37
    …adcliffeRoad.jpg" class="center" title="First Tarmac road. Radcliffe Road, Nottingham" width="" }} Having perfected the operation, Hooley began transforming road surfaces. Nottingham's **Radcliffe Road** became the** first tarmac road in the world**…
  14. Plastic Surgery — 2020-08-06 08:24:01
    …rd at the Cambridge Military Hospital and later in Sidcup in 1917. There he and his colleagues performed around 11,000 operations on more than 5,000 soldiers. == Knighthood == Gillies was knighted in the Birthday Honours list of June 1930. == P…

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