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A tape measure or measuring tape is a long, flexible ruler used to measure length or distance. [1] It usually consists of a ribbon of cloth, plastic, fibreglass, or metal strip with linear measurement markings.
1868 Tape measure. A tape measure or measuring tape is a flexible form of ruler. It consists of a ribbon of cloth, plastic, fiber glass, or metal strip with linear-measurement markings. The design on which most modern spring tape measures are built was invented and patented by a New Haven, Connecticut resident named Alvin J. Fellows on July 14 ...
This timeline of time measurement inventions is a chronological list of particularly important or significant technological inventions relating to timekeeping devices and their inventors, where known. Note: Dates for inventions are often controversial. Sometimes inventions are invented by several inventors around the same time, or may be ...
Although link chains were later superseded by the steel ribbon tape (a form of tape measure), its legacy was a new statutory unit of length called the chain, equal to 22 yards (66 feet) of 100 links. [8] This unit still exists as a location identifier on British railways, as well as all across America in what is called the public land survey ...
The unit is used to measure the length of the Harvard Bridge. Canonically, and originally, in 1958 when Smoot was a Lambda Chi Alpha pledge at MIT (class of 1962), the bridge was measured to be 364.4 Smoots, plus or minus one ear, using Mr. Smoot himself as a ruler. [17] At the time, Smoot was 5 feet, 7 inches, or 170 cm, tall. [18]
A variety of rulers A carpenter's rule Retractable flexible rule or tape measure A closeup of a steel ruler A ruler in combination with a letter scale. A ruler, sometimes called a rule, scale or a line gauge or metre/meter stick, is an instrument used to make length measurements, whereby a length is read from a series of markings called "rules" along an edge of the device. [1]
In 2002 allegations of fraud were made against Starrett over its RapidCheck Coordinate Measuring Machine. [10] A Federal investigation found none and no charges filed. [11] In 2006, L.S. Starrett Co. purchased Tru-Stone Technologies Inc. in Waite Park, Minnesota, a maker of custom-engineered granite machine bases, for $19.8 million in cash. [12]
Other English measures called an ell include the "yard and handful", or 40 in. ell, abolished in 1439; the yard and inch, or 37 in. ell (a cloth measure), abolished after 1553 and known later as the Scotch ell＝37.06; and the cloth ell of 45 in., used until 1600. [12]