Journal of the Asiatic Society of Bengal, المجلد 47،الأعداد 1-4Asiatic Society of Bengal, 1878 |
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الصفحة 55
... prints in lithographic ink might be obtained and transferred to zinc or stone , so as to permit of a large number of copies to be printed off as easily as from an ordinary lithographic transfer drawing , and with precisely the same ...
... prints in lithographic ink might be obtained and transferred to zinc or stone , so as to permit of a large number of copies to be printed off as easily as from an ordinary lithographic transfer drawing , and with precisely the same ...
الصفحة 58
... printed from them ; 297 blue prints and silver prints were also made . At the Govt . Photozincographic Office , Púna , during the same year , the number of negatives taken was 2,745 , the number of maps photozinco- graphed was 1,798 ...
... printed from them ; 297 blue prints and silver prints were also made . At the Govt . Photozincographic Office , Púna , during the same year , the number of negatives taken was 2,745 , the number of maps photozinco- graphed was 1,798 ...
الصفحة 60
... printing on Sensitive Papers . In these methods prints are obtained on a sensitive surface of paper prepared with the salts of silver , platinum and iron , or with certain salts of chromium in conjunc- tion with pigmented gelatine . In ...
... printing on Sensitive Papers . In these methods prints are obtained on a sensitive surface of paper prepared with the salts of silver , platinum and iron , or with certain salts of chromium in conjunc- tion with pigmented gelatine . In ...
الصفحة 61
... printing ink . By this method , also , a photographic image once produced on the printing surface of gelatine is capable of yielding some hundreds of impressions in the printing press ; and instead of the subjects for reproduc- tion ...
... printing ink . By this method , also , a photographic image once produced on the printing surface of gelatine is capable of yielding some hundreds of impressions in the printing press ; and instead of the subjects for reproduc- tion ...
الصفحة 62
... printing and borders of maps should be well filled in . Pencil marks should be carefully removed , so as not to injure the blackness and firmness . of the lines . 4. All cross - hatching and shading should be as open and clear as ...
... printing and borders of maps should be well filled in . Pencil marks should be carefully removed , so as not to injure the blackness and firmness . of the lines . 4. All cross - hatching and shading should be as open and clear as ...