The story
Mechanic Andreas Glas (born 1857, son of Maurus who founded the first agricultural machinery factory in Bavaria in Freising in 1860) founded his own repair company for agricultural machines in 1883 in Pilsting. He named the company Andreas Glas, Reparaturwerkstätte für landwirtschaftliche Maschinen mit Dampfbetrieb (in English: Andreas Glas, repair-shop for steam-powered agricultural machines). During the summer periods about 16 people worked for him. In 1905 Andreas Glas' company built their first crop sowing machines (seed drill). He then had sufficient work to employ all his employees during the winters. The production of seed drills rose from year to year:
Winter period 1905/06 - 10 seed drills
Autumn 1906 - 20 pieces
Winter period 1906/07 - 40 machines
1907 - 60 pieces
Winter period 1907/08 - 254 seed drills.
1906 Andreas Glas partnered with a financer becoming Glas & Lohn and changed its brand name from Bavaria to Isaria; the partnership ended in 1911.
1908 Glas production moved to Dingolfing to overcome the mandatory rule which forbade non-local factories from participating in the important local agricultural machine exposition. The new factory started with 150 seed drills per year. The production count rose each year.
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1920 Glas Werke AG became a share company partnering with Stumm Group.
1924 Hans Glas (1890-†1969) became CEO of Glas Werke AG.
1931 failure of the Stumm Group.
1933 Hans Glas bought Glas Werke by the shareholders
After World War II, the market for seed drills was declining, and the company began building little carrows and later working machines for bakers along with seed drills.
1949 Glas Werke becomes a family company renamed Hans Glas GmbH (Ltd) involving son Andreas (1923-†1990) and daughter Hertha.
From Wikipedia’s article on Glas (company), shared under CC BY-SA 4.0.4