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Employment addendum (Zusatzvertrag) for Otto Haas

  • 1901-May-06

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Public Domain

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1901 employment addendum (Zusatzvertrag) for Otto Haas (1872-1960), from G. Siegle & Co.

Otto Haas was the co-founder of Rohm & Haas, best known for manufacturing Plexiglas (acrylic glass), as well as foundational chemical ingredients used in latex paints, electronic devices, building materials, and agricultural products.

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Rights Public Domain Mark 1.0
Credit line
  • Courtesy of Science History Institute

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Series arrangement
  • Series I. Biographical and Family History, 1870-2008, undated
Physical container
  • Box 1, Folder 12

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Cite as

G. Siegle & Co. “Employment Addendum (Zusatzvertrag) for Otto Haas,” May 6, 1901. The Otto Haas Family Papers, Box 1, Folder 12. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/6cc54em.

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Public Domain

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