Proceedings1950 - Electron microscopes |
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Page 42
... photographic materials . A rather general approach to the problem of contrast recognition on e.g. a photo- graphic negative may prove helpful in creating a feeling for the practical significance of contrast . Consider an electron ...
... photographic materials . A rather general approach to the problem of contrast recognition on e.g. a photo- graphic negative may prove helpful in creating a feeling for the practical significance of contrast . Consider an electron ...
Page 70
... photographic recording . The measurement of resolving power in the electron microscope with any degree of accuracy or cer- tainty at present then appears impos- sible . The degree of coherence in the irradiating beam can never be ...
... photographic recording . The measurement of resolving power in the electron microscope with any degree of accuracy or cer- tainty at present then appears impos- sible . The degree of coherence in the irradiating beam can never be ...
Page 72
... photographic resolution on resolving power of microgram . Answer : The photographic plate does not , in general , limit the resolution of the instrument . The plate resolution might become very important if fluorescent screens of ...
... photographic resolution on resolving power of microgram . Answer : The photographic plate does not , in general , limit the resolution of the instrument . The plate resolution might become very important if fluorescent screens of ...
Contents
Preface | 9 |
Introduction | 20 |
Applications of the electron microscope | 28 |
14 other sections not shown
Common terms and phrases
acid Airy disc angle aperture Associated Electrical Industries astigmatism atoms axis bacteria cell cellulose collagen collodion coronene Cosslett cross section crystal Delft diameter diffraction digérés Discussion electron beam electron micro electron micrographs electron microscope electrostatic epicuticle examined faible fibres fibrils field filaments film flagella flagellum focal formvar grains grid Grivet haemoglobin influenza Institute instrument investigation J. B. Le Poole Laboratory lattice layer lenses light microscope magnification material membrane ment metal method microscope électronique microtome Mijnbouwplein 11 molecules mucilage nique normal objective lens observed obtained optical outer segments particles pattern phase contrast phase plate Philips plane possible preparation Prof psittacosis rays replica Research resolution resolving power rod outer segments samples scattering screen skin sonde specimen spherical aberration strains structure surface technique thickness thin tion tissue ture unit discs virus viruses visible voltage W. G. Burgers Wyckoff X-ray