A 1929 article by consulting engineer Conr. J. Centmaier on design principles for textile machinery. It covers the construction materials (cast iron, steel, aluminium and brass alloys, metal testing methods) and argues for greater attention to static and dynamic forces, noise, and breakage. It also discusses automation, ergonomic control layouts, and electric drives such as individual spindle motors. The article is technical and engineering-oriented, with no weaving drafts.