11:10 · An alchemical sign for sal ammoniacus, or ammonium salt. It is synonymous with e.g. in Group 41:b, and with in Group 3. The other synonyms can be found via the Word Index.
     Sometimes is used for the planet Uranus.
     This sign is also a letter in the Cyrillic alphabet used by some Slavic people like Russians and Serbs.
    It is also a symbol for an Italian sect founded by David Lazzaretti at the end of the nineteenth century.
    Lastly, some ufologists claim it is a symbol for a planet in another sun system, called Ummo, some of whose inhabitants they say have been in contact with humans on our planet.