When invented punched cards? Punched cards were invented about 1750 for the control of textile looms, and were adopted for use in Herman Hollerith in the 1890 US census.
When did Samuel Scottron invent the curtain rod? Fortunately, Scottron patented at least some of his inventions and gained royalties from them. He obtained patents for an adjustable window cornice (February 17, 1880), a cornice (January 16, 1883), a pole tip (September 30, 1886), a curtain rod (August 30, 1892), and supporting bracket (September 12, 1893).
How were tangrams invented? The Tangram Puzzle, the most famous of all the Chinese puzzle has a truly spectacular legend behind it. Reputed to have been invented during the Song Dynasty by a master glassmaker who had been commissioned to construct a pane of glass for the royal palace – as the first window for the King.
What is the legend of the tangrams? The ancient Chinese story of the tangram is that a sage, a wise old man was to take a precious sheet of glass to the king who needed a window in his palace. The square piece of glass was wrapped in silk and canvas and carried in the sage’s backpack.
When invented punched cards? – Related Questions
When was a smartphone invented?
The tech company IBM is widely credited with developing the world’s first smartphone – the bulky but rather cutely named Simon. It went on sale in 1994 and featured a touchscreen, email capability and a handful of built-in apps, including a calculator and a sketch pad.
When was mining invented?
The earliest known mine for a specific mineral is coal from southern Africa, appearing worked 40,000 to 20,000 years ago. But, mining did not become a significant industry until more advanced civilizations developed 10,000 to 7,000 years ago.
Why was the apartheid system invented south africa?
Strategists in the National Party invented apartheid as a means to cement their control over the economic and social system. Initially, aim of the apartheid was to maintain white domination while extending racial separation. … With the enactment of apartheid laws in 1948, racial discrimination was institutionalized.
Who invented pop top cans?
Ermal Fraze, who invented the pop top can because he had to open a can of beer on a car bumper at a family picnic in 1959, died after a battle with cancer. He was 76. Fraze, who died Thursday at Kettering Memorial Hospital, obtained the first patent for a pop top can in 1963.
When were houses invented?
The oldest archaeological evidence of house construction comes from the famous Oldupai Gorge (also called Olduvai Gorge) site in Tanzania, and the structure is around 1.8 million years old. Nobody knows exactly which proto-human species is responsible for the tools (and houses) found at Oldupai.
Why was radar’s an important invention?
Radar could pick up incoming enemy aircraft at a range of 80 miles and played a crucial role in the Battle of Britain by giving air defences early warning of German attacks. The CH stations were huge, static installations with steel transmitter masts over 100 metres high.
Where was apple butter invented?
The roots of apple butter lie in Limburg (Belgium and the Netherlands) and Rhineland (Germany), conceived during the Middle Ages, when the first monasteries (with large orchards) appeared.
What was invented in oklahoma city?
From the shopping cart to the Ditch Witch, Oklahomans have created some innovative products that have changed the way we live life. Carl C. Magee invented the “coin controlled parking meter” in 1935. The first meter was installed in Oklahoma City and it charged 5 cents per hour.
When was lbs invented?
The avoirdupois pound, also known as the wool pound, first came into general use c. 1300. It was initially equal to 6992 troy grains.
When is smart doll invented?
Smart Doll launched in 2014. By focusing on employee welfare and the quality of the product, we have since been able to build a flourishing business – even during a pandemic for what is deemed a “non-essential” item.
Who invented surya namaskar?
In the 1920s, Bhawanrao Shriniwasrao Pant Pratinidhi, the Rajah of Aundh, popularized and named the practice, describing it in his 1928 book The Ten-Point Way to Health: Surya Namaskars. It has been asserted that Pant Pratinidhi invented it, but Pant stated that it was already a commonplace Marathi tradition.
What did george washington carver invent with peanuts?
From his work at Tuskegee, Carver developed approximately 300 products made from peanuts; these included: flour, paste, insulation, paper, wall board, wood stains, soap, shaving cream and skin lotion. He experimented with medicines made from peanuts, which included antiseptics, laxatives and a treatment for goiter.
Who invented sweep picking?
Sweep picking. Wayne and Tal Farlow invented it back in the 40s. Frank Gambale perfected it in the 80s. Today, pretty much any player worth their salt can do it in their sleep, and those that can’t wish they could.
What did marie pasteur invent?
His process of pasteurization successfully killed bacteria in milk without destroying milk protein. This was a radical discovery and made drinking milk safe. The process of pasteurization was named after him and it saved many lives. Louis Pasteur was a great believer in hard work.
Why was cosmetic surgery invented?
The father of modern plastic surgery is generally considered to have been Sir Harold Gillies. A New Zealand otolaryngologist working in London, he developed many of the techniques of modern facial surgery in caring for soldiers suffering from disfiguring facial injuries during the First World War.
What company invented two finger scrolling?
When you scroll down on a mouse’s scroll wheel, content moves up on the page. Using scroll wheels on mice for years has trained us to use the “down motion” with our fingers to indicate that we want our content to move upwards and off the screen. When Apple invented two-finger scrolling, they followed this convention.
Who invented gumbo?
Welcome to the World Championship Gumbo Cook-off! Did you know that gumbo is not original to Louisiana? Most food historians agree that this popular South Louisiana dish has its origins in West Africa. Consider the word “gumbo” which comes from the West African word “ki ngombo” for “okra”.
Where was playdoh invented at?
The product was first manufactured in Cincinnati, Ohio, United States, as a wallpaper cleaner in the 1930s. Play-Doh was then reworked and marketed to Cincinnati schools in the mid-1950s.
Who invented chainmail during the middle ages?
Its invention is commonly credited to the Celts, but there are examples of Etruscan pattern mail dating from at least the 4th century BC. Mail may have been inspired by the much earlier scale armour. Mail spread to North Africa, West Africa, the Middle East, Central Asia, India, Tibet, South East Asia, and Japan.
How were drums invented?
The first drums made from natural objects such as alligator skin appeared during 5500 BC. They first came about in Neolithic cultures originating from China but later spread to all of Asia. This period also saw the creation of Bronze Dong Son Drums in Vietnam during 3000 BC.