. The silver sunbeam : a practical and theoretical text-book on sun drawing and photographic printing. 470 ENAMELING, OR BURNING-IN PROCESS. an ounce pure iodine, twenty grains nitric acid, one hun-dred and twenty grains chloride of gold, one pint of sul-phuric ether saturated with virgin wax, beaten together,and filtered in a funnel hermetically sealed. The solutionremains five or six minutes on the material, which, whendry, is rubbed over with a soft flannel until a shining sur-face appears. Second Solution for Enlarging by Artifical Light I use the same chemicals described in solution No. 1
. The silver sunbeam : a practical and theoretical text-book on sun drawing and photographic printing. 470 ENAMELING, OR BURNING-IN PROCESS. an ounce pure iodine, twenty grains nitric acid, one hun-dred and twenty grains chloride of gold, one pint of sul-phuric ether saturated with virgin wax, beaten together,and filtered in a funnel hermetically sealed. The solutionremains five or six minutes on the material, which, whendry, is rubbed over with a soft flannel until a shining sur-face appears. Second Solution for Enlarging by Artifical Light I use the same chemicals described in solution No. 1, inthe same proportions, but add three ounces chloride ofammonia, two ounces of magnesium, one hundred andtwenty grains of pure iodine, one hundred and twentygrains iodine of lithium, and sixty grains of iodine ofcadmium. Third Solution for Printing in a Pressure-Frame by Contact. To two parts of distilled water I add one part of solutionNo. 1, and add one hundred and fifty grains of chloride ofsodium, and eight grains of gold to each pint. Fig. 12. In addition to the directions given on page 309
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