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The Gross Clinic is painted in oil on canvas, and is 240 cm × 200 cm (8 ft × 6.5 ft). It portrays surgeon Dr. Samuel D. Gross, the first chief of surgery at Jefferson Medical College, performing surgery on a young man for osteomyelitis of the femur in the surgical amphitheater on the top floor of Jefferson's Ely Building in the company of multiple doctors and medical students.
[5] [6] Transported by helicopter to Parkland Memorial Hospital, surgeons performed more than a dozen debridement procedures over approximately two months to remove the burned skin. As part of this process, they enucleated his left eye, and set his right eye back in its socket before covering it with a skin flap to protect it from further damage.
Traditionally, fresco painters applied many successive layers of plaster before and during the painting process. [7] This method requires fresco painters to work quickly and with a pre-set plan. However, this is not how Leonardo worked, and for this reason, he chose a new technique of putting a mixture of oil and tempera paints onto a dry wall.
Using a removal tool, a sort of awl, the painting and the intonachino attached to the cloth and glue covering are then detached, from the bottom up. The back of the fresco is thinned to remove excess lime and reconstructed with a permanent backing made from two thin cotton cloths, called velatini, and a heavier cloth with a layer of glue.
There are aftermarket electronic "rustproofing" technologies claimed to prevent corrosion by "pushing" electrons into the car body, to limit the combination of oxygen and iron to form rust. The loss of electrons in paint is also claimed to be the cause of “paint oxidisation” and the electronic system is also supposed to protect the paint. [4]
People who sit at a desk all day face a greater risk for heart disease, according to a new study published in the Journal of the American College of Cardiology.. Even if those desk dwellers do ...
Close-up before and after aerial images paint a more detailed picture of the extent of the devastation on the ground as the region begins the long process of assessing the damage and picking up ...
"If you drop calories too low, too quickly, your metabolism can downshift before you lose weight." Remember that "weight loss is almost never linear," says Werner. ... Go for a walk after dinner ...