 | Luke Herbert - 1828 - 394 pages
...about eight parts of water ; add one part of seed or shell lac, and heat the whole to ebullition. When the lac is dissolved, cool the solution, and impregnate...which is as free from colour as any copal varnish. RH Chlorine, or oxymuriatic acid, may be formed, by mixing, intimately, eight parts of common salt,... | |
 | Perry Fairfax Nursey - 1828 - 474 pages
...one part of shell or seed lac, and heat the whole to ebullition. When the lac is dissolved, cool tbe solution, and impregnate it with chlorine, till the...dissolved in alcohol, lac, bleached by the process above mentioned, yields a varnish which is as free from colour as any copal varnish. The following... | |
 | 1832 - 636 pages
...about eight parts of water, add one part of shell, or seed lac, and heat the whole to ebullition. When the lac is dissolved, cool the solution, and impregnate...dissolved in alcohol, lac, bleached by the process above mentioned, yields a varnish which is as free from colour as any copal varnish. Chlorine, or oxymuriatic... | |
 | Luke Hebert - 1835 - 938 pages
...about eight parts of water ; add one part of seed or shell-lac, and heat the whole to ebullition ; when the lac is dissolved, cool the solution, and impregnate...precipitated. The precipitate is white, but its colour is deepened by washing and consolidation ; dissolved in alcohol, lac bleached by the process above-mentioned... | |
 | Daniel H. Whitney - 1835 - 614 pages
...about eight parts of water, add one part of shell or seed lac, and Iieat the whole to boiling. When the lac is dissolved, cool the solution and impregnate...it with chlorine, till the lac is all precipitated. 256. To clean black veils. Pass them through a liquor of bullock's gall and water, rinse in cold water... | |
 | Luke Hebert - 1836 - 942 pages
...with chlorine till the lac is all precipitated. The precipitate is white, but its colour is deepened by washing and consolidation; dissolved in alcohol,...which is as free from colour as any copal varnish." About the same period of time as the publication of the foregoing, the before-mentioned premium of... | |
 | Theodore Henry Fielding - 1847 - 310 pages
...ash, in about eight parts of water; add one part of shell lac and heat the whole to ebullition. When the lac is dissolved, cool the solution and impregnate...consolidation ; dissolved in alcohol, lac bleached by the above process, yields a varnish which is as free from colour as any copal varnish : chlorine (oxymuriatic... | |
 | Theodore Henry Fielding - 1847 - 250 pages
...colour deepens by washing and consolidation ; dissolved in alcohol, lac bleached by the above process, yields a varnish which is as free from colour as any copal varnish : chlorine (oxymuriatic acid) is made by mixing intimately eight parts of common salt, and three of the black... | |
 | 458 pages
...pearlash in about eight parts of water; add one part of shell-lac, and heat the whole to ebullijtion. When the lac is dissolved, cool the 'solution, and impregnate it with chlorine until the lac is all precipitated. The precipitate is white, but its colour deepens by washing and... | |
 | Colin MacKenzie - 1853 - 498 pages
...eight parts of water, add one pail of shell or seed lac, and heat the whole to ebullition. When the lar is dissolved cool the solution and Impregnate it with chlorine, till the lac is all precipitated. Tu -tenth chinl:. Take two pounds of rice, boil it in two gallons of waier till soft; then pour the... | |
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... and heat the whole to ebullition. When the lac is dissolved, cool the solution, and impregnate it with chlorine, till the lac is all precipitated. The precipitate is white, but its colour deepens by washing and consolidation ; dissolved in alcohol,... 
