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The Hypertext Editing System, or HES, was an early hypertext research project conducted at Brown University in 1967 by Andries van Dam, Ted Nelson, and several Brown students. [1] It was the first hypertext system available on commercial equipment that novices could use. [2] HES organized data into two main types: links and branching text.
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Electric strike. Electric strike with monitoring contact. An electric strike is an access control device used for door frames. It replaces the fixed strike faceplate often used with a latch (also known as a keeper). Like a fixed strike plate, it normally presents a ramped or beveled surface to the locking latch allowing the door to close and ...
To_Prevent_Harbor_Strike.pdf (391 × 385 pixels, file size: 470 KB, MIME type: application/pdf) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Hess Oil and Chemical was founded in 1933 by Leon Hess as an operation out of Asbury Park, New Jersey that sold refining leftovers to hotels as heating fuel. [4] [9] In 1938, he purchased land in Perth Amboy for his first oil storage terminal and in 1958 opened the company's first refinery, located in Port Reading. [11]
The resulting Heinkel-Strahltriebwerk 1 (HeS 1), German for Heinkel Jet Engine 1, was built by hand-picking some of the best machinists in the company, much to the chagrin of the shop-floor supervisors. Hahn, meanwhile, worked on the combustion problem, an area he had some experience in.
A business downturn in 1976 proved the end of the U50C in service; all were withdrawn, although many were stored in serviceable condition. No return to service occurred, though five were lent out as stationary power generators during a coal miners' strike in early 1978. All were sold for scrap during 1977–1978.
A representation of Hess's law (where H represents enthalpy) Hess's law of constant heat summation, also known simply as Hess's law, is a relationship in physical chemistry and thermodynamics [1] named after Germain Hess, a Swiss-born Russian chemist and physician who published it in 1840.