15 marzo 1901 anni - Cliché-verre also known as glass print in some cases is a glass plate is covered with ink or paint and a design is drawn through it with a stylus or brush, producing a negative image. A piece of photo-sensitiive paper is placed under neath it and it is then exposed to light. A positive, photographic image appears on the paper.
Aggiunto al nastro di tempo:
Data:
15 marzo 1901 anni
Adesso
~ 123 years ago
