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This article contains a list of inventions by the Shakers, officially known as the United Society of Believers in Christ's Second Appearance. Founded in the 18th century, the Shakers, a celibate sect who lived a communal lifestyle, were known for their many innovative creations in varied fields including agriculture, furniture, housework, and ...
In 1988, speaking about the three men and women in their 20s and 30s who had become Shakers and were living in the Sabbathday Lake Shaker Village, Eldress Bertha Lindsay of the other community, the Canterbury Shaker Village, disputed their membership in the society: "To become a Shaker you have to sign a legal document taking the necessary vows ...
"Naturalists using the dredge", a plate from William Henry Harvey's The Seaside Book. The first marine biology dredge was designed by Otto Friedrich Müller and in 1830 the results of two dredging expeditions undertaken by Henri Milne-Edwards and his friend Jean Victoire Audouin during 1826 and 1828 in the neighbourhood of Granville were published.
Archaeologists preparing a water dredge on a shallow site. It consists of a large bore straight tube to which is attached a hose pipe through which clean water is pumped. The Bernoulli effect from the flow of pumped water causes suction at the mouth of the dredge. Water and sediment are sucked from the excavation site and released from the far ...
The previous Essayons was a hopper dredge commissioned on January 16, 1950, and retired in May, 1980. [4] [13] The name was given to a Corps of Engineers tug, which was built in 1908 and retired in 1949. [14] A yet earlier vessel, a "dredge-boat" named Essayons, was built for the Army Corps of Engineers in 1868. She was used to keep the mouth ...
Some two-wheeled designs had pedals mounted on the front wheel, while three- and four-wheeled designs sometimes used treadles and levers to drive the rear wheels. The earliest usable and much-copied velocipede was created by the German Karl Drais and called a Laufmaschine (German for "running machine"), which he first rode on June 12, 1817.
The can opener consisting of the now familiar sharp rotating cutting wheel that runs round the can's rim to cut open the lid was invented in 1870, but was considered very difficult to operate for the ordinary consumer. A more successful design came out in 1925 when a second, serrated wheel was added to hold the cutting wheel on the rim of the can.
The ride is commonly nicknamed the "Salt and Pepper Shakers". [1] The ride consists of a rotating arm mounted to a pivoting hinge on a central support column. The arm has two enclosed cars (one at the top and bottom). Each car holds four riders seated in pairs facing opposite directions making the maximum capacity eight riders. [2]