Ger. firm of org.‐builders, hpd. and pf. manufacturers, founded in Strasbourg by Andreas Silbermann (b Klein‐Bobritzsch, 1678; d Strasbourg, 1734) and his brother Gottfried (b Klein‐Bobritzsch, 1683; d Dresden, 1753). Gottfried settled in Freiburg, building cath. org. there in 1714 and 46 other orgs., incl. Dresden court church. Was first Ger. pf.‐maker. Andreas built Strasbourg Cath. org. and 29 others. Business carried on by descendants.