Important: Safety Warning
This page contains a formula or preparation using substances now known to be dangerously toxic, such as arsenic, mercury, lead, or cyanide compounds. Exposure to these substances can cause severe poisoning, permanent injury, or death.
In addition, this page describes trade processes that use dangerously toxic materials such as cyanide solutions, mercury amalgams, or strong acids. These processes require training, equipment, and precautions far beyond what the text describes.
This information has been left in for historical purposes but should not be acted upon.
Home › Enamelling › Another (Take of opaque or transparent)
Another (Take of opaque or transparent)
Take of opaque or transparent enamel, 10 parts; oxide of chromium, 1 to 2 parts. or transparent each 1 oz.
Black Enamel.
Take of calcined iron, cobalt, crude or prepared, Or, zaffre, 2 oz.; manganese, 1 oz.
Mix them with equal parts of flux, by melting or grinding together.
Yellow Enamel.
Take of lead and tin ashes, litharge, antimony, and sand, each 1 oz. nitre, 4 oz.
Calcine, or melt them together; pulverize, and mix them with a due proportion of flux, as the nature of the glass may require; or take more or less of any or all of the above, according to the depth of color desired. Or, opaque or transparent enamel , 6 parts; chloride of silver, 1 to 2 parts.
Blue Enamel.
Take of prepared cobalt, sand, red-lead, and nitre, each 1 oz.; flint-glass, 2 oz.
Melt them together by fire, pulverized and fluxed according to the degree of softness or strength of color required.
Olive Enamel.
Take of the blue, as prepared above, 1 oz.; black, oz.; yellow, oz. Grind them for use. necessary add flux to make it softer.
White Enamel.
If Take of tin, prepared by aqua-fortis, and redlead, each 1 oz.; white pebble-stone, or natural crystal, 2 oz.; nitre, 1 oz.; arsenic, 1 dr., with equal parts of flux, or more or less, as the softness or opacity may require. Melt together, calcine, or use raw.
Purple Enamel.
Take of opaque or transparent enamel, 12 parts; purple of Cassius, 1 to 2 parts, regulated with sal ammoniac. Put it in a sand-heat for about 48 hours, to digest the gold. Collect the powder, grind it with 6 times its weight of sulphur; put it into a crucible on the fire till the sulphur is evaporated, then amalgamate the powder with twice its weight of mercury; put it into a mortar or with a small quantity of water in the mortar, which change frequently; evaporate the remaining mercury in a crucible, and add to the powder 10 times its weight of flux, or more or less, as the hardness or softness of the color may require.
Rose-colored Enamel.
Take purple as prepared above, mix it with 30 weight of silver-leaf, or any preparation of silver, times its weight of flux, and 1-100th part of its or vary the proportion of the flux and silver as the quality of the color may require; or any of the other preparations for purple will do, varying the proportions of the flux and silver as above; or any materials, from which purple can be produced, will, with the addition of silver and flux, answer.
Brown Enamel. antimony, 2 oz.; litharge, 2 oz.; zaffre, 1 oz.; Take of red-lead, 1 oz.; calcined iron, 1 oz. sand sand, 2 oz. be most expedient; or vary the proportions of any Calcine, or melt together, or use raw, as may or all the above, as tint or quality may require.
Mode of Application. of glass in the following manner, viz., by painting, The preceding colors may be applied to vessels printing, or transferring, dipping, floating, and grounding. grinding to a fine powder) with spirits of turpen-