The first time you can find the @ is from a 1448 but it was used as a measure , meaning 1/4 of a quintal (an ancient spanish weight measure) . (In spanish with

The first time you can find the @ is from a 1448 but it was used as a measure , meaning 1/4 of a quintal (an ancient spanish weight measure) . (In spanish with photos of ancient @'s) http://tejiendoelmundo.wordpress.com/2010/07/21/la-curiosa-historia-del-simbolo-de-la-arroba/ http://tejiendoelmundo.wordpress.com/2010/07/21/la-curiosa-h... (In french) http://hapax.qc.ca/Pourquoi_arrobe_dans_10646.html http://hapax.qc.ca/Pourquoi_arrobe_dans_10646.html