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The formalised flower motif is often carved in stone or wood to create decorative ornaments for architecture and furniture, and in metalworking, jewelry design and the applied arts to form a decorative border or at the intersection of two materials. Rosette decorations have been used for formal military awards.
A Christmas tree ornament. In some places, Christmas decorations are traditionally taken down on Twelfth Night, the evening of January 5 or January 6. The difference in this date is that some count Christmas Day as the first day of Christmas, whereas for others, Christmas Day is a feast day in its own right, and the first full day of the ...
Different ornament names can refer to an ornament from a specific area or time period. Understanding these ornaments is important for historically informed performance and understanding the subtleties of different types of music. This list is intended to give basic information on ornaments, with description and illustrations where possible.
A syringe is a simple reciprocating pump consisting of a plunger (though in modern syringes, it is actually a piston) that fits tightly within a cylindrical tube called a barrel. The plunger can be linearly pulled and pushed along the inside of the tube, allowing the syringe to take in and expel liquid or gas through a discharge orifice at the ...
Pipetting syringes are hand-held devices that combine the functions of volumetric (bulb) pipettes, graduated pipettes, and burettes. They are calibrated to ISO volumetric A grade standards. A glass or plastic pipette tube is used with a thumb-operated piston and PTFE seal which slides within the pipette in a positive displacement operation.
[7] Christopher Wren performed the earliest confirmed experiments with crude hypodermic needles, performing intravenous injection into dogs in 1656. [7] These experiments consisted of using animal bladders (as the syringe) and goose quills (as the needle) to administer drugs such as opium intravenously to dogs. Wren and others' main interest ...
Rawson, Jessica, Chinese Ornament: The lotus and the dragon, 1984, British Museum Publications, ISBN 0-7141-1431-6; Tabbaa, Yasser, The transformation of Islamic art during the Sunni revival, I.B.Tauris, 2002, ISBN 1-85043-392-5, ISBN 978-1-85043-392-7, google books; James Trilling The Language of Ornament
Continuous scroll decoration has a very long history, and such patterns were an essential element of classical and medieval decoration. The use of scrolls in ornament goes back to at least the Bronze Age; geometric scroll ornament has been found in the Palace of Knossos at Minoan Crete dating to approximately 1800 BC, [8] perhaps drawing from even earlier Egyptian styles; there were also early ...