50, 100 & 150 years ago.

• Localización: Scientific American, ISSN 0036-8733, Vol. 313, Nº. 6, 2015, págs. 83-83
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • The article presents excerpts from articles in issues of the magazine "Scientific American" published in 1865, 1915, and 1965 on topics including the caste system in India, the use of radium in fertilizers, and meteorological observations.