Zoom Inventors and Inventions
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| SAX, ADOLPHE Antoine-Joseph (Adolphe) Sax (1814 - Feb. 4, 1894) was Belgian musical instrument manufacturer and musician (he played the clarinet) who invented the saxophone. Sax first exhibited his newly-invented woodwind instrument at the 1841 Brussels Exhibition, and patented it in 1846. Sax also invented the saxhorn (a family of bugles with 3 or 4 valves), which he first exhibited in 1844. For a printout on the saxophone, click here. |
| SAXOPHONE Antoine-Joseph (Adolphe) Sax (1814 - Feb. 4, 1894) was Belgian musical instrument manufacturer and musician (he played the clarinet) who invented the saxophone. Sax first exhibited his newly-invented woodwind instrument at the 1841 Brussels Exhibition, and patented it in 1846. Sax also invented the saxhorn (a family of bugles with 3 or 4 valves), which he first exhibited in 1844. For a printout on the saxophone, click here. |
 SCHMIDT-CASSEGRAIN TELESCOPEA Schmidt-Cassegrain telescope (SCT) is a wide-angle reflecting telescope with a correcting lens that minimizes spherical aberration and a concave mirror that receives light and focuses an image. A second mirror reflects the light through a gap in the primary mirror, allowing the eyepiece or camera to be mounted at the back end of the tube. The Cassegrain telescope (named for the French sculptor Sieur Guillaume Cassegrain) was developed in 1672; the correcting plate (a lens) was added in 1930 by the Estonian astronomer and lens-maker Bernard Schmidt (1879-1935). |
  SEWING MACHINEThe first functional sewing machine was invented by the French tailor Barthélemy Thimonnier in 1830. Other tailors feared for their livelihood, and burnt his workshop down. Elias Howe was American inventor who patented an improved sewing machine in 1846. Howe's revolutionary machine used two separate threads, one threaded through the needle, and one in a shuttle; it was powered by a hand crank. A sideways-moving needle with its eye at one end would pierce the fabric, creating a loop of thread on the other side; a shuttle would then push thread through the loop, creating a tight lock stitch. Earlier sewing machines used only one thread and a chain stitch that could unravel. Howe's business did not thrive. Others, like Isaac M. Singer made slight modifications in the machine and built successful businesses. Howe sued those who had infringed on his patent and won royalties on all machines sold (he was paid $5.00 for each sewing machine sold). Howe died the year his patent expired. |
| SEXTANT The sextant is an astronomical instrument that is used to determine latitude for navigation. It does this by measuring angular distances, like the altitude of the sun, moon and stars. The sextant was invented independently in both England and America in 1731. The sextant replaced the astrolabe. The word sextant comes from the Latin word meaning "one sixth." |
SILK Silk was first made by the Chinese about 4,000 years ago. Silk thread is made from the cocoon of the silkworm moth (Bombyx mori), a small moth whose caterpillar eats the leaves of the mulberry tree.
According to Chinese legend, the first silk thread was made when the Chinese Empress Si-Ling-Chi was sitting under a mulberry tree and a cocoon fell into her tea; she noticed the strong, silky threads of the cocoon uncoiling. She then developed the use of silk.
For more information on the development of silk, click here. |
 STEAM ENGINEThe steam engine was invented by Heron, an ancient Greek geometer and engineer from Alexandria. Heron lived during the first century AD and is sometimes called Hero. Heron made the steam engine as a toy, and called his device "aeolipile," which means "wind ball" in Greek. The steam was supplied by a sealed pot filled with water and placed over a fire. Two tubes came up from the pot, letting the steam flow into a spherical ball of metal. The metallic sphere had two curved outlet tubes, which vented steam. As the steam went through the series of tubes, the metal sphere rotated. The aeolipile is the first known device to transform steam power into rotary motion. The Greeks never used this remarkable device for anything but a novelty. A steam engine designed for real work wasn't designed until 1690, when Dionysius Papin published plans for a for a high-pressure steam engine. Thomas Savery built the first steam engine in 1698. Watt later improved the steam engine. |
  SUNDBACH, GIDEONThe zipper was improved by the Swedish-American engineer, Gideon Sundbach, in 1913. Sundbach was also successful at selling his "Hookless 2." Sundbach sold these fasteners to the US Army, who put zippers on soldiers' clothing and gear during World War I. The word zipper was coined by B.F. Goodrich in 1923, whose company sold rubber galoshes equipped with zippers. Goodrich is said to have named them zippers because he liked the zipping sound they made when opened and closed. |
 SWAN, JOSEPH WILSONThe first practical electric light bulb was made in 1878 simultaneously (and independently) by Joseph Wilson Swan and Thomas Alva Edison. Sir Joseph Wilson Swan (1828-1914) was an English physicist who was determined to devise a practical, long-lasting electric light. After many years of experimentation, he found that a carbon paper filament worked well, but burned up quickly. In 1878, he demonstrated his new electric lamps in Newcastle, England. |
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The safety pin was invented by Walter Hunt in 1849. Hunt 1795-1859) patented the safety pin on April 10, 1849 (patent No. 6,281). Hunt's pin was made by twisting a length of wire. Hunt invented the safety pin in order to pay a debt of $15; he eventually sold the rights to his patent for $400.
Scissors were invented thousands of years ago (roughly 1500 B.C.) in ancient Egypt. Early scissors have been found in ancient Egyptian ruins. These early scissors were made from one piece of metal (unlike modern scissors, which are made from two cross-blades which pivot around a fulcrum). Modern cross-bladed scissors were invented in ancient Rome (roughly A.D. 100). Early scissors were used by clothes makers and barbers. Scissors were not in common use until much later, in the 1500's (in Europe). 
Joseph Gayetty invented toilet paper in 1857. His new toilet paper was composed of flat sheets. Before Gayetty's invention, people tore pages out of mail order catalogs - before catalogs were common, leaves were used. Unfortunately, Gayetty's invention failed. Walter Alcock (of Great Britain) later developed toilet paper on a roll ( instead of in flat sheets). Again, the invention failed.
The word game Scrabble® was developed by Alfred Mosher Butts in 1948. James Brunot did some rearranging of the squares and simplified the rules. A copyright was granted on December 1, 1948. Alfred Butts had been an architect, but lost his job in 1931 (during the depression). He then began developing games, including Lexico, Criss-Crosswords, and them Scrabble®. After about 4 years of paltry sales, Scrabble® became a hit.
The electric iron was invented in 1882 by Henry W. Seeley, a New York inventor Seeley patented his "electric flatiron" on June 6, 1882 (patent no. 259,054). His iron weighed almost 15 pounds and took a long time to warm up.
The first typewriter was invented in 1867 by the American printer and editor Christopher Latham Sholes (Feb. 14, 1819 - Feb. 17, 1890). Sholes' prototype had the user hit a key (for each letter and number), which struck upward onto a flat plate, producing a carbon impression of the letter or number on the paper. He made the prototype using the key of an old telegraph transmitter. There was no way of spacing the letters, no carriage return, and no shift keys; these features would be added to later models.
SLINKY TM
The microwave oven was invented as an accidental by-product of war-time (World War 2) radar research using magnetrons (vacuum tubes that produce microwave radiation). In 1946, the engineer Dr. Percy LeBaron Spencer, who worked for the Raytheon Corporation, was working on magnetrons. One day at work, he had a candy bar in his pocket, and found that it had melted. He realized that the microwaves he was working with had caused it to melt. After experimenting, he realized that microwaves would cook foods quickly - even faster than conventional ovens that cook with heat. The Raytheon Corporation produced the first commercial microwave oven in 1954; it was called the 1161 Radarange.
The forerunner of the aerosol can was invented by Erik Rotheim of Norway. On November 23, 1927, Rotheim patented a can with a valve and propellant systems - it could hold and dispense liquids.
STRAUSS, LEVI