In 1829, he began working with Louis Daguerre to improve photography. Together they developed the "Physical CarbonPrinting Method," which uses lavender oil.
It is convenient to substitute carbon powder patterns or characters for the printing matrix in the gold blocking machine.
在烫金机中用碳粉图案或字符代替打印矩阵很方便。
3
When printing is very important materials, in general, the stand or fall of carbon belt, in addition to decide the life of the print head is related to the effects of print.