thumb|The Zacherlfabrik thumb|Lettering J. Zacherl on the portal thumb|Exhibition in the Zacherlfabrik thumb|An advertisement for Zacherlin from 1907The Zacherl factory (Zacherlfabrik) is a former factory in the 19th district of Vienna, Döbling. It was built in an oriental style.
thumb|The Zacherlfabrik thumb|Lettering J. Zacherl on the portal thumb|Exhibition in the Zacherlfabrik thumb|An advertisement for Zacherlin from 1907The Zacherl factory (Zacherlfabrik) is a former factory in the 19th district of Vienna, Döbling. It was built in an oriental style.
== History == Johann Zacherl began importing insecticide made from pyrethrum from Tiflis in 1842. In 1870, he started to produce moth powder in Unterdöbling, which he sold under the name Zacherl’s insect-killing tincture (Zacherlin). By 1873, the four employees in his factory were already producing 600 tonnes of Zacherlin per year, which were sold in Zacherl's shops in Paris, Istanbul, Amsterdam, London, New York and Philadelphia.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).