2 Personen

• Nipher, Francis E.

  geb. 1847; gest. 1926

  	The Tornado of April 14, 1879 [St. Louis] : Acad. of science, 1879
  	A method of measuring the pressure at any point on a structure, due to wind blowing against that structure [St. Louis], 1898
  	The relation of direct to reversed photographic pictures [St. Louis], 1901

• Saegmuller, George N.

  geb. 1847; gest. 1934 in Arlington, Va.

  Description and price-list of first-class engineering & astronomical instruments manufactured by Geo. N. Saegmuller Washington, DC : Gibson, 1892