Nature, Volume 72Sir Norman Lockyer Macmillan Journals Limited, 1905 - Electronic journals |
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Page 23
... tube : S. Turchini . The brightness of the fluorescent screen , when acted upon by a given Crookes's tube , was measured photometrically , each of the constants of the circuit being varied in turn . The luminosity of the screen ...
... tube : S. Turchini . The brightness of the fluorescent screen , when acted upon by a given Crookes's tube , was measured photometrically , each of the constants of the circuit being varied in turn . The luminosity of the screen ...
Page
... Tube , Post Free . Helix pomatia , Astacus , Amphioxus , Rana , Anodon , & c . , for Dissection purposes . THOMAS BOLTON , 25 BALSALL HEATH ROAD , BIRMINGHAM . MARINE BIOLOGICAL ASSOCIATION OF THE United kINGDOM . THE LABORATORY ...
... Tube , Post Free . Helix pomatia , Astacus , Amphioxus , Rana , Anodon , & c . , for Dissection purposes . THOMAS BOLTON , 25 BALSALL HEATH ROAD , BIRMINGHAM . MARINE BIOLOGICAL ASSOCIATION OF THE United kINGDOM . THE LABORATORY ...
Page
... Tube is 3 ft . long , with a graduated scale fixed at the side . The sliding reservoir moves easily in a grooved frame , so that the water level can be quickly altered . Price , in Polished Mahogany Stand , 24 / - SOLE MAKERS- BRADY ...
... Tube is 3 ft . long , with a graduated scale fixed at the side . The sliding reservoir moves easily in a grooved frame , so that the water level can be quickly altered . Price , in Polished Mahogany Stand , 24 / - SOLE MAKERS- BRADY ...
Page 24
... Tube is 3 ft . long , with a graduated scale fixed at the side . The sliding reservoir moves easily in a grooved frame , so that the water level can be quickly altered . Price , in Polished Mahogany Stand , 24 / - SOLE MAKERS- BRADY ...
... Tube is 3 ft . long , with a graduated scale fixed at the side . The sliding reservoir moves easily in a grooved frame , so that the water level can be quickly altered . Price , in Polished Mahogany Stand , 24 / - SOLE MAKERS- BRADY ...
Page 47
... tubes fused silica : M. Berthelot . At the ordinary tempera- ture no hydrogen will pass through the walls of a lused quartz tube , even into a barometric vacuum , and at Goo to 800 ° no appreciable amount passes through At 1300 C. , on ...
... tubes fused silica : M. Berthelot . At the ordinary tempera- ture no hydrogen will pass through the walls of a lused quartz tube , even into a barometric vacuum , and at Goo to 800 ° no appreciable amount passes through At 1300 C. , on ...
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