Journal of the Asiatic Society of Bengal, المجلد 47،الأعداد 1-4Asiatic Society of Bengal, 1878 |
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النتائج 11-15 من 54
الصفحة 64
... printed records , or engravings , which either may never have been suitable for the purpose , or , if suitable when fresh , have become dirty and stained by age . Herr Scamoni , the skilful Chief of the Photographic Department of the ...
... printed records , or engravings , which either may never have been suitable for the purpose , or , if suitable when fresh , have become dirty and stained by age . Herr Scamoni , the skilful Chief of the Photographic Department of the ...
الصفحة 65
... printing . In order to obtain the most satisfactory results for photolithography , photozincography , or any other process specially applicable to line subjects , the negative must be perfectly sharp all over , free from distortion and ...
... printing . In order to obtain the most satisfactory results for photolithography , photozincography , or any other process specially applicable to line subjects , the negative must be perfectly sharp all over , free from distortion and ...
الصفحة 70
... printing processes which , as stated in the introduction , may be divided into 6 classes , viz . : I. Printing on sensitive papers . II . Photo - lithography or Photo- zincography . III . Photo - collotype . IV . Woodbury - type . V ...
... printing processes which , as stated in the introduction , may be divided into 6 classes , viz . : I. Printing on sensitive papers . II . Photo - lithography or Photo- zincography . III . Photo - collotype . IV . Woodbury - type . V ...
الصفحة 71
... prints prepared on plain , or unalbumenised , paper are more permanent than the albumenised prints , though not so brilliant , sharp and delicate ; and they have the further advantage of being less liable to shrinkage and distortion ...
... prints prepared on plain , or unalbumenised , paper are more permanent than the albumenised prints , though not so brilliant , sharp and delicate ; and they have the further advantage of being less liable to shrinkage and distortion ...
الصفحة 72
... printing processes . In the processes just noticed the exposure to light is usually from 15 to 30 minutes , but in dull weather , or with certain negatives , it may be much longer ; it is obvious , therefore , that even under the most ...
... printing processes . In the processes just noticed the exposure to light is usually from 15 to 30 minutes , but in dull weather , or with certain negatives , it may be much longer ; it is obvious , therefore , that even under the most ...