Louis Gathmann was an inventor and a German American engineer
Louis Gathmann was an inventor and a German American engineer focused on ordnance development. Gathmann was born in the Kingdom of Prussia in Hanover, was a school teacher in astronomy, moved in 1864 to the United States, started career, equipment. Gathmann died on 1917 06 3. This company known as the Garden City Mill Furnishing Company. Louis was involved also in 1891 in 19th century weather modification projects, wrote also a book on Rain on the subject. The largest gun designed by Gathmann, was tested at Sandy Hook.
Albedo is calculated for albedo for a single angle of incidence