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Tachymeter scale on a Citizen watch bezel. A tachymeter (pronounced / t æ ˈ k ɪ m ə t ər /) is a scale sometimes inscribed around the rim of an analog watch with a chronograph.It can be used to conveniently compute the frequency in inverse-hours of an event of a known second-defined period, such as speed (distance over hours) based on travel time (distance over speed), or measure distance ...
York Notes are a series of English literature study guides sold in the United Kingdom and in approximately 100 countries worldwide. They are sold as revision material for GCSE and A-level exams particularly as literary guides to introduce students to sophisticated analysis and perspectives of the specific title.
The first tachometer was described by Bryan Donkin in a paper to the Royal Society of Arts in 1810 for which he was awarded the Gold medal of the society. This consisted of a bowl of mercury constructed in such a way that centrifugal force caused the level in a central tube to fall when it rotated and brought down the level in a narrower tube above filled with coloured spirit.
Notes and Queries was first published in 1849 as a weekly periodical edited by W. J. Thoms. [2] It was founded as an academic correspondence magazine, in which scholars and interested amateurs could exchange knowledge on folklore, literature and history.
Literary movements are a way to divide literature into categories of similar philosophical, topical, or aesthetic features, as opposed to divisions by genre or period. Like other categorizations, literary movements provide language for comparing and discussing literary works.
An interpolation, in relation to literature and especially ancient manuscripts, is an entry or passage in a text that was not written by the original author.As there are often several generations of copies between an extant copy of an ancient text and the original, each handwritten by different scribes, there is a natural tendency for extraneous material to be inserted into such documents over ...
Wild brand subtense bar. Another device used in tacheometry to measure distance between the measuring station and a desired point is the subtense bar. [2] This is a rigid rod, usually of a material insensitive to change in temperature such as invar, of fixed length (typically 2 metres (6.6 ft)).
"Widsith" (Old English: Wīdsīþ, "far-traveller", lit. "wide-journey"), also known as "The Traveller's Song", [1] is an Old English poem of 143 lines. It survives only in the Exeter Book ( pages 84v–87r ), a manuscript of Old English poetry compiled in the late-10th century, which contains approximately one-sixth of all surviving Old ...