Herzinger, Eduard.
Bergmann, Josef. Marschik, Christian Samuel.
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research
United States Institute for Textile Research