Autobiography of david crothwait?
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David Crosthwait was a African-American mechanical and electrical engineer and inventor. He was born on May 27, 1898 in the city of Nashville, Tennessee. He grew up in Kansas City, Missouri. Once he completed high school he received a Bachelor of Science (1913) and a Masters of Engineering (1920) from Purdue University. Years later Crosthwait was granted and an honorary doctoral degree in 1975.
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David Crosthwait was a African-American mechanical and electrical engineer and inventor. He was born on May 27, 1898 in the city of Nashville, Tennessee. He grew up in Kansas City, Missouri. Once he completed high school he received a Bachelor of Science (1913) and a Masters of Engineering (1920) from Purdue University. Years later Crosthwait was granted and an honorary doctoral degree in 1975.
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Employment
In 1913 Crosthwait moved to Marshalltown, Iowa. He worked for the Durham Company where he designed heating installations. While at the C.A. Durham Company he was a Research Engineer and was also the Director of Research Laboratories from 1925 to 1930. He then became the Technical Advisor of Durham-Bush, Inc. from 1930 to 1971. Crosthwait also served as the past president of the Michigan City Redevelopment.
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Accomplishments
Crosthwait’s expertise was on air ventilation, central air conditioning, and heat transfer systems. With this knowledge he created many different heating systems, refrigeration methods, temperature regulating devices, and vacuum pumps. For these inventions he holds 39 United States patents as well as 80 international patents. In the 1920s and 1930s Crosthwait invented a new vacuum pump, an improved boiler, and a new thermostat control. All of which were more effective in the heating systems for larger buildings. Some of his greatest accomplishments were for creating the heating systems for the Rockefeller Center and New York’s Radio City Music Hall.
He wrote an instruction manual and guides for heating and cooling with water and guides, standards, and codes that dealt with heating, air conditioning, and ventilation systems. After Crosthwait retired in 1969, he taught courses on control the stream heating theory at Purdue University. He died in 1979.
David Crosthwait (1891 - 1976) David Crosthwait was born in Nashville, Tennessee and grew up in Kansas City, Missouri. He received a Bachelor of Science degree (1913) and a Master of Engineering degree (1920) from Purdue University and honorary doctoral degree in 1975.
Crosthwait moved to Marshall Town, Iowa in 1913 to work for the Durham Company designing heating installations. From 1925 to 1930, Crosthwait was the director of the research department, investigating heating and ventilation methods. Crosthwait holds 39 U.S. patents for heating systems, vacuum pumps, refrigeration methods and processes and temperature regulating devices, and 80 international patents for the same. He is well known for creating the heating system for New York's famous Radio City Music Hall and Rockerfeller Center.
Crosthwait was an expert on heat transfer, air ventilation and central air conditioning. He was the author of a manual on heating and cooling with water and guides, standards, and codes that dealt with heating, ventilation, refrigeration, and air conditioning systems. During the 1920s and 30s, he invented an improved boiler, a new thermostat control and a new differential vacuum pump, all more effective for the heating systems in larger buildings.
He was the Technical Advisor of Dunham-Bush, Inc. from 1930 to 1971. After retiring, Crosthwait taught a course on steam heating theory and control systems at Purdue University.
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