-
terrestrial magnetism, and the
aurora borealis. In 1852, Ångström
formulated in
Optiska undersökningar (Optical investigations), a law of absorption,
later modified...
- des
Sciences (in French). 17 (788): 44–46. See: Ångström, A.J. (1852). "
Optiska undersökningar" [Optical investigations].
Kongliga Vetenskaps-Akademiens...
- was
independently postulated by
Anders Jonas Ångström in his 1853 work
Optiska Undersökningar,
where it was
theorized that
luminous gases emit rays of...
- Ångström
presented observations and
theories about gas
spectra in his work
Optiska Undersökningar (Optical investigations) to the
Royal Swedish Academy of...
- 2018, ISBN 2215136839 錯視の魔術, Kyouikugageki, ****an, 2018, ISBN 4774621277
Optiska illusioner , Ordalaget, Sweden, 2018, ISBN 9789174692211
Illusioni ottiche...
- SELIBR 539090. Plogvall, Hans (1971-09-05). "Signaltrupperna 100 år: Förr:
Optiska signaler och brevduvor. I dag:
Elektroniskt underverk på hjul". Svenska...