#MrNams Subscribe: https://goo.gl/mqbdai Facebook: https://www.facebook.com/MrNamsOfficial Twitter: https://twitter.com/MrNams Hello friends, Hope you all doing well! In this video, we shall try to learn, how measuring tape works. Retractable measuring tape has Spiral torsion spring, which stores mechanical energy when it is twisted, when we pull tape. And when we release tape, Spiral torsion spring pulls tape inside and recoil it More information about measuring tape from wikipedia • Tape measure A tape measure or measuring tape is a flexible ruler and used to measure distance. It consists of a ribbon of cloth, plastic, fibre glass, or metal strip with linear-measurement markings. It is a common measuring tool. Its design allows for a measure of great length to be easily carried in pocket or toolkit and permits one to measure around curves or corners. Today it is ubiquitous, even appearing in miniature form as a keychain fob, or novelty item. Surveyors use tape measures in lengths of over 100 m • History The first record of a people using a measuring device was by the Romans using marked strips of leather, but this was more like a regular ruler than a tape measure. On July 14, 1868, a patent was filed by one Alvin J. Fellows of New Haven, Connecticut. Fellows' rule, although crude and flimsy, was the first attempt to make a spring tape measure.[2] On 3 January 1922, Hiram A. Farrand received the patent he filed in 1919 for his spring tape measure. Sometime between 1922 and December 1926, Farrand experimented with the help of The Brown Company in Berlin, New Hampshire.[3] It is there Hiram and William Wentworth Brown began mass-producing the tape measure.[4] Their product was later sold to Stanley Works. THANKS FOR WATCHING. If you enjoyed video, please do like, share and comment. Please SUBSCRIBE to follow new Uploads https://goo.gl/mqbdai WARNING: Always be safe, everything you do is at YOUR OWN RISK! I shall not be liable for any injuries, loss or damages claimed to be caused by watching the contents either. #YouTubeRewind Rewind Rewind 2016 #Rewind YouTubeRewind 2018 Happy new year 2018 #mrnamsofficial #instagram #reels #instagood #craft