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Richard Gurley Drew (June 22, 1899 – December 14, 1980) was an American inventor who worked for Johnson and Johnson, Permacel Co., and 3M in St. Paul, Minnesota, where he invented masking tape and cellophane tape.
Duct tape invention Vesta Oral Stoudt (April 13, 1891 – May 9, 1966) was a factory worker during the Second World War famous for her letter to President Franklin D. Roosevelt suggesting the use of adhesive tape to improve ammunition boxes.
The tape was 0.1 inches (2.5 mm) wide and 0.003 inches (0.076 mm) thick running at 5 feet per second (1.5 m/s) past the recording and reproducing heads. This meant that the length of tape required for a half-hour program was nearly 1.8 miles (2.9 km) and a full reel weighed 55 pounds (25 kg).
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 ...
The earliest known audio tape recorder was a non-magnetic, non-electric version invented by Alexander Graham Bell's Volta Laboratory and patented in 1886 (U.S. patent 341,214).
AMPEX 440 (two-track, four-track) and 16-track MM1000 Scully 280 eight-track recorder using 1 inch (25 mm) tape at the Stax Museum of American Soul Music. Multitrack recording of sound is the process in which sound and other electro-acoustic signals are captured on a recording medium such as magnetic tape, which is divided into two or more audio tracks that run parallel with each other.
While more truck drivers (885) and farmers (252) died that year while on duty, loggers had the highest number of deaths per 100,000 workers: 132.7. That is more than double the second highest ...
Wirkkala invented and developed the high lead method of logging.This skyline (or "spar") method, ideally suited for steep terrain, revolutionized the industry. He also invented important pieces of that industry's machinery used during the first half of the 20th century, including the ubiquitous choker hook.
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