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London sinks were originally shallower than Belfast sinks. [5] One plumbing guide in 1921 suggested that the Belfast sink was 38 centimetres (15 in) deep.) [ 7 ] Some believe this was because London had less access to fresh water (and thus a greater need to conserve water), but this theory is now contested.
This is a category of templates that generate timelines. A few of them are a specific timeline used in one article context. Others are parameterizable templates, used to generate a particular type of timeline visualization, in multiple contexts.
1974: The lithium-ion battery is invented by M. Stanley Whittingham, and further developed in the 1980s and 1990s by John B. Goodenough, Rachid Yazami and Akira Yoshino. It has impacted modern consumer electronics and electric vehicles. [508] 1974: The Rubik's cube is invented by Ernő Rubik which went on to be the best selling puzzle ever. [509]
At first, the heavier solids were channeled into ditches on the side of the farm and were covered over when full, but soon flat-bottomed tanks were employed as reservoirs for the sewage; the earliest patent was taken out by William Higgs in 1846 for "tanks or reservoirs in which the contents of sewers and drains from cities, towns and villages ...
1912 – Stainless steel invented by Harry Brearley; 1916 – Method for growing single crystals of metals invented by Jan Czochralski; 1919 – The merchant ship Fullagar has the first all welded hull. 1924 – Pyrex invented by scientists at Corning Incorporated, a glass with a very low coefficient of thermal expansion
In some homes, there were upwards of three kitchens. The kitchens were divided based on the types of food prepared in them. [4] The kitchen might be separate from the great hall due to the smoke from cooking fires and the chance the fires may get out of control. [5] Few medieval kitchens survive as they were "notoriously ephemeral structures". [6]
Plug for a sink. A plug in sanitation is an object that is used to close a drainage outlet firmly. The insertion of a plug into a drainage outlet allows the container to be filled with water or other fluids. In contrast to screw on caps, plugs are pushed into the hole and are not put over the hole.
This is a timeline of architecture, indexing the individual year in architecture pages. Notable events in architecture and related disciplines including structural engineering , landscape architecture , and city planning .