Ad
related to: hopkinson valves uk
Search results
Results from the WOW.Com Content Network
The Hopkinson pressure bar was first suggested by Bertram Hopkinson in 1914 [1] as a way to measure stress pulse propagation in a metal bar. Later, in 1949 Herbert Kolsky [2] refined Hopkinson's technique by using two Hopkinson bars in series, now known as the split-Hopkinson bar, to measure stress and strain, incorporating advancements in the cathode ray oscilloscope in conjunction with ...
Weir boiler feedwater pump. The company was established in 1871 as an engineering firm by two brothers, George and James Weir, founding G. & J. Weir Ltd. [3] The Weir brothers produced numerous groundbreaking inventions in pumping equipment, primarily for the Clyde shipyards and the steam ships built there.
Michael Roderick Oliver (born September 1938), OBE is an English businessman, philanthropist and chairman of four Cheshire based companies – Oliver Valves, Oliver Valvetek, Oliver Twinsafe and Oliver Hydcovalves– which manufacture high-pressure valves for the oil and gas sector.
Pegler Yorkshire is a British manufacturer of valves and other engineering products. It is part of the Flow Control division of Aalberts. [1] The company has its head office in Doncaster, with four manufacturing sites in Leeds, Doncaster, Budapest and Jiangmen. In 2012, it employed over 1400 people.
However, this was a relatively short phase in Glenfield's history, as Biwater sold the valves operation in 1996 and the penstocks and pumps business in 1998. [6] In 2001, Glenfield Valves became a member of AVK Holdings A/S, and traded as Glenfield/AVK. [4] AVK Holdings is a Danish company founded by Aage Valdemar Kjaer. [7]
J. Tylor and Sons Limited of London was a company with a background in sanitation that moved into petrol engine manufacture in the 1900s. Its engines were of medium sized and found application in buses, lifeboats and First World War military vehicles.
Its initial name was the Phoenix Dynamo Co Ltd, though it immediately changed its name to English Electric Valve Company Ltd. In 1959 Bob Coulson established travelling-wave tube and microwave tube sections, and they were producing ceramic hydrogen thyratrons as well. By this time EEV was the largest hi-tech manufacturing company in the UK.
A Mullard TDD4 valve. The gold spray coating served no purpose other than to hide the blackened interior, as Mullard valves were still manufactured using the azide process, long abandoned by other makers. [1] A Mullard EL34 power pentode An EL84 valve made in Russia in the 21st century. Mullard Limited was a British manufacturer of electronic ...
Ad
related to: hopkinson valves uk