English: Molecular model of methane, created by August Wilhelm von Hofmann (ca. 1860). The square planar structure depicted is now known to be incorrect.
Nederlands: Molecuulmodel van methaan door August Wilhelm von Hofmann (ca. 1860).
日付
原典
自ら撮影 (Original caption: "
Photographed by Henry Rzepa, with the kind permission of the Royal Institution of London, in whose collection the model resides
{{Information |Description ={{en|1=Molecular model of methane, created by August von Hoffmann}} |Source =Personal photograph |Author =Rzepa |Date =2005-07-07 |Permission = |other_versions = }}