Journal of the Asiatic Society of Bengal, المجلد 47،الأعداد 1-4Asiatic Society of Bengal, 1878 |
من داخل الكتاب
النتائج 6-10 من 48
الصفحة 48
... Of these equations there were as many as the number of days of observation ; they were solved by the method of minimum squares . Corrections were then computed for the 48 [ No. 1 , J. Waterhouse - An Account of the Tidal.
... Of these equations there were as many as the number of days of observation ; they were solved by the method of minimum squares . Corrections were then computed for the 48 [ No. 1 , J. Waterhouse - An Account of the Tidal.
الصفحة 53
... only means by which maps , or indeed , pictorial sub- jects of any kind , could be reproduced , was by engraving on metal plates or on wood , both tedious and expensive methods . With the invention of lithography , a new impetus was 8.
... only means by which maps , or indeed , pictorial sub- jects of any kind , could be reproduced , was by engraving on metal plates or on wood , both tedious and expensive methods . With the invention of lithography , a new impetus was 8.
الصفحة 55
... method whereby facsimile 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 ...
... method whereby facsimile 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 ...
الصفحة 56
... methods of lithography and engraving ; and though much good work was done in the former manner by the very limited native agency available in this country , many maps had to be sent to England to be litho- graphed , while the whole of ...
... methods of lithography and engraving ; and though much good work was done in the former manner by the very limited native agency available in this country , many maps had to be sent to England to be litho- graphed , while the whole of ...
الصفحة 58
... methods has been proved to be beyond question . 4. The comparative cheapness of the photographic methods . The relative cost of hand labour and photography is affected by several considera- tions , e . g . , the nature of the subject ...
... methods has been proved to be beyond question . 4. The comparative cheapness of the photographic methods . The relative cost of hand labour and photography is affected by several considera- tions , e . g . , the nature of the subject ...