ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] Dry carbonyl iron powder (General Aniline and Film Corp., Types E and SF), however, produces good images of tape-recorded sounds, and we propose the name ferrograms for these visible patterns. The recorded surface of the tape is drawn through a thin layer of the powder spread on smooth paper and ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/178328b0
Permalink