1. Stainless Steel — 2023-10-09 23:42:45

   …ntial for his steel within the cutlery industry. With the help of his friend Ernest Stuart, Cutlery Manager at Mosley's Portland Works, they had perfected the hardening process for knives. Brearley wanted to call his invention ‘Rustless Steel’,…

2. Portland Cement — 2023-10-08 00:16:46

   …shed and then calcined in a vertical kiln and finally the calcine was to be powdered. /* event_date="21 October 1824" Portland cement is patented */ He obtained the patent for Portland cement on 21 October 1824 for ** An Improvement in the Mode …
   …lueplaque.jpg" class="right" title="Aspdin Blue Plaque" width="300" }} == A Classic Title == Aspdin called the product Portland cement because when set, it resembled '**Portland stone**', a limestone that is quarried on the Isle of Portland off th…
   …e British Coast. Portland stone was then, and still is today, a prestigious building stone in use in [[England]] at the time. Many fine buildings…
   … and cathedrals use the fine stone. With this invention, Aspdin laid the foundation for today's portland cement industry. == Today == ||{{Image url="Cn-tower4.jpg" title="CN Tower" width="200" }}||{{Image url="Runway.jpg" t…

3. Microphone — 2021-11-07 21:26:04

   …nted and developed later. {{Image url="Microphone-Blue-Plaque.jpg" class="left" title="Microphone Blue Plaque in Great Portland Street, London" width="" }}…

4. Reinforced Concrete — 2020-08-17 08:53:02

   …to Reinforcing" width="500" }} He used iron bars and wire rope to reinforce the concrete based on broken coke, sand and Portland cement in the floors of a two-story cottage he was building for his servants. The method proved successful. He patented…

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