âPeople will say itâs chemical-like or talk about a burning smell.â. Hirschâs patients list hydrogen sulfide (rotten eggs), bad perfume, raw sewage, leaking gas, wet dog, body odor, and spoiled fish, among other pungent odors, as their common phantom scents.
Types of monoprints. A monoprint is a single impression of an image made from a reprintable block. Materials such as metal plates, litho stones or wood blocks are used for etching upon. Rather than printing multiple copies of a single image, only one impression may be produced, either by painting or making a collage on the block.
A blueprint used to consist of white lines on a blue background. A more recent process uses blue lines on a white background. The term blueprint is usually used to describe two printing methods, the blueprint and the diazotype.Blueprinting is the older method, invented in 1842. The drawing to be copied, drawn on translucent paper, is placed against paper sensitized with a mixture of ferric ammonium citrate and potassium ferricyanide.lueprinting is the older method, invented in 1842. The drawing to be copied, drawn on translucent paper, is placed against paper sensitized with a mixture of ferric ammonium citrate and potassium ferricyanide.