As the buildings on the square grew older, the area was cleaned up as a green space for the community, in accordance with the provisions of the will of Charles Martin Hall.
12.
BTW the Charles Martin Hall and gis mispelled flyers reminds me of the difference between " aeroplane " and the American version " airplane ", which also originates from another accidental mispelling.
13.
The Cowles process was the immediate predecessor to the Hall-H�roult process today in nearly universal use more than a century after it was discovered by Charles Martin Hall and Paul H�roult and adapted by others including Carl Josef Bayer.
14.
"' Julia Brainerd Hall "'( November 11, 1859 September 4, 1926 ) supported her younger brother, Charles Martin Hall, in his discovery of the Hall Process for extracting aluminum from its ore.
15.
In his advertising handbill for his new electrolytic method of producing the metal in 1892, Charles Martin Hall used the "-um " spelling, despite his constant use of the "-ium " spelling in all the patents he filed between 1886 and 1903.
16.
The Air Yacht was Charles Ward Hall's first attempt at building an aircraft with his company Charles Ward Hall Inc . of Mamaroneck NY . Hall, ( not to be confused with Charles Martin Hall, founder of Alcoa ), and his later company Hall Aluminum Aircraft Corp . would pioneer the manufacturing processes for riveted Aluminium / Aluminium Alloy aircraft structures.
