Floris Meydam serica nr 76 for the Leerdam Glass Factory

Flori Meydam large dish 23.5 cm diameter 5 cm high serica nr 76 Long stretched airbubbles with antimoon-craquele inclosed in thick clear glass.

Crackle TECHNOLOGY matte white or glossy black enrichment of the glass surface by vapor deposition on the hot Porst of a layer of stannous chloride,further blowing, free or in a form, causes cracks in the metal layer, because it can not expand with the hot glass, with the addition of antimony creates the black crackle, hot vapor deposition results in a fine crackle , les hot results in a coarser crackle, it is also possible, before or after the vapor-deposition to blow the Porst into a "optical form" : with the further blowing continues at the crazing of the "ribs" more highly visible, you can also add a second layer of glass , so that the craquelé-effect is incorporated in the glass.
Like with this object.