 Siedentopf have succeeded in making these ultramicroscopic particles visible in the microscope as diffraction disks; they have, further, counted the number of particles per unit area and have from the intensity of their reflection calculated their size....  Aggregation and Flow of Solids - Page 229by Sir George Thomas Beilby - 1921 - 256 pagesFull view - About this book
 | United States - 1906 - 854 pages
...succeeded in making these ultramicroscopic particles visible in the microscope as diffraction disks; they have, further, counted the number of particles...specimens was found to vary from 4 to 791 millionths of a millimeter. No relation was found to hold between the color of the particles and their absolute size.... | |
 | Science - 1906 - 714 pages
...succeeded in making these ultramicroscopic particles visible in the microscope as diffraction disks; they have, further, counted the number of particles...ruby glass the -size of the particles in different s]ieciinens was found to vary from 4 to 791 millionth^ of a millimeter. No relation was found to hold... | |
 | British Association for the Advancement of Science. Meeting - Science - 1906 - 956 pages
...ingenious optical methods Zigsimondy and Siedentopf have succeeded in making these ultra-microscopic particles visible in the microscope as diffraction...millimetre. No relation was found to hold between tbe colour of the particles and their absolute size. This conclusion is in direct contradiction of... | |
 | British Association for the Advancement of Science. Meeting - Science - 1905 - 928 pages
...ingenious optical methods Zigsimondy and Siedentopf have succeeded in making these ultra-microscopic particles visible in the microscope as diffraction...different specimens was found to vary from 4 to 791 niilliontbs of a millimetre. No relation was found to hold between the colour of the particles and... | |
 | Smithsonian Institution. Board of Regents - 1906 - 708 pages
...disks; they have, .further, counted the number of particles per unit area and have from the mtensity of their reflection calculated their size. In ruby...specimens was found to vary from 4 to 791 millionths of a millimeter. No relation was found to hold between the color of the particles and their absolute size.... | |
 | Smithsonian Institution. Board of Regents - 1906 - 710 pages
...succeeded in making these ultramicroscopic particles visible in the microscope as diffraction disks; they have, further, counted the number of particles per unit area and have from the mtensity of their reflection calculated their size. In ruby glass the size of the particles in different... | |
 | Smithsonian Institution. Board of Regents - 1906 - 734 pages
...kindness of Sir Henry Roscoe I am able to exhibit to von some of (he original rnbv-irold nrenarntions the size of the particles in different specimens was found to vary from 4 to 71)1 millionths of a millimeter. No relation was found to hold between the color of the particles and... | |
 | Smithsonian Institution. Board of Regents - Discoveries in science - 1906 - 702 pages
...succeeded in making these ultramicroscopic particles visible in the microscope as diffraction disks; they have, further, counted the number of particles...specimens was found to vary from 4 to 791 millionths of a millimeter. No relation was found to hold between the color of the particles and their absolute size.... | |
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