- Electric Motor — 2023-09-23 15:52:02
…rating a commutator. == Improved Battery == The Volta cell had certain inherent weaknesses - any impurity in the zinc plates used caused erosion of the electrode. Sturgeon developed a long lasting battery that consisted of a single cell cylind…
- Plastic — 2022-09-01 08:57:23
…the basis of the movie industry. Some of the thousands of items made from plastic: Toothbrushes, buckets, bowls, pens, plates, cutlery, bottles, boxes, bags, toys, pipes, tables, chairs, footballs, CDs etc. Mouldings for: Computers, smartphon…
…kets Footballs Artificial Grass Flowers Car parts Tools Conservatories Windows Doors Acrylic glass Perspex Knives Forks Plates Spoons Ornaments Lights Toilet seats Pipes </marquee>"" … - National Trust — 2022-07-02 09:18:26
… Society**, founded in that year by her eldest sister, Miranda, as a "Society for the Diffusion of Beauty". It was a template for the National Trust, **20** years later. {{Image url="CanonRawnsley.jpg" class="left" title="Canon Rawnsley" width="…
- Antibiotics — 2021-08-20 10:41:08
…colonies of the common** Staphylococcus aureus **bacteria that had been worn down or killed by mold growing on the same plate or petri dish. Fleming said: "When I woke up just after dawn on September 28, 1928, I certainly didn't plan to revoluti…
- Float Glass — 2020-12-08 00:24:27
…r joined the Pilkington Brothers (there was no family connection) as a technical officer in 1947. At this time quality plate glass could only be made by a costly and wasteful plate process that the Pilkington Brothers had also innovated. Becaus…
… flexible and settles into perfect flat glass. == Old glass == Ribbon glass from a furnace - was cheaper than polished plate glass because it was not ground or polished, but it was unacceptable for high-quality applications. It was known as hor…
…ticultural glass. == Foreign Licence == The first foreign licence went to the Pittsburgh Plate Glass Company in 1962, then the the rest of the world. Today, around 260 float plants use the Pilkington method. ::c::…