ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] It can easily be shown that even with the fine focus now available (4 y. x 40 (x) it is advisable, in this wave-length range, to rely entirely on optical magnification of shadow-graphs and to place the specimen close to a photographic plate of high resolution. For, in the case of direct shadow ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/168513b0
Permalink