The Year-book of Facts in Science and ArtCharles W. Vincent, James Mason Simpkin, Marshall, and Company, 1870 |
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27. oldal
... observations made during the formation of new reservoirs and filtering - beds by the East London Waterworks Company . Two new reservoirs are now being made , covering 120 acres in extent , and of an average depth of 10 ft . The " puddle ...
... observations made during the formation of new reservoirs and filtering - beds by the East London Waterworks Company . Two new reservoirs are now being made , covering 120 acres in extent , and of an average depth of 10 ft . The " puddle ...
40. oldal
... observations Schulatschenko concludes : ( 1. ) That hardening of cement oc- curs not only when the silicate is produced in the wet way , but likewise when it is formed by the dry method . ( 2. ) That Pet- tenkofer's view , that a ...
... observations Schulatschenko concludes : ( 1. ) That hardening of cement oc- curs not only when the silicate is produced in the wet way , but likewise when it is formed by the dry method . ( 2. ) That Pet- tenkofer's view , that a ...
80. oldal
... observations which are just beginning , and which it requires much care and ability to conduct in a satisfactory manner . But it may be allowed to insist on the importance of experiments executed on so large a scale with s much daring ...
... observations which are just beginning , and which it requires much care and ability to conduct in a satisfactory manner . But it may be allowed to insist on the importance of experiments executed on so large a scale with s much daring ...
91. oldal
... observations made on the occasion of the last eclipse . He said that M. l'Abbé Moigne had placed the photographs of the sun taken by the American mission at his disposal . After remarking on the peculiar appearances pre- sented by the ...
... observations made on the occasion of the last eclipse . He said that M. l'Abbé Moigne had placed the photographs of the sun taken by the American mission at his disposal . After remarking on the peculiar appearances pre- sented by the ...
92. oldal
... observation which destroyed the polarisa- tion . Seemingly with the view of appeasing any pain that the discussion might cause to the susceptibilities of the American observers , they are congratulated on having enriched science with ...
... observation which destroyed the polarisa- tion . Seemingly with the view of appeasing any pain that the discussion might cause to the susceptibilities of the American observers , they are congratulated on having enriched science with ...
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