He received a Bachelor of Science degree (1913) and a Master of
Engineering degree (1920) from Purdue University and honorary doctoral degree
in 1975. He designed the heating system for Radio City Music Hall in New York
City and authored texts and guides on heating and cooling with water. He was a
thermodynamics genius!
David Crosthwait, Jr., 1898-1975 engineer, inventor Birthplace:Nashville,
Tenn.
David Crosthwait held numerous patents relating to heat
transfer, ventilation, and air conditioning, the areas in which he was
considered an expert. Holding B. S. and M. S. degrees from Purdue University in
engineering, Crosthwait began working as a research engineer and director of
research laboratories for C. A. Dunham Company, in Marshalltown, Iowa. He
served as technical advisor to Dunham from 1930 to 1970 and, in addition to
designing the heating system for Radio City Music Hall in New York City, he
authored texts and guides on heating and cooling with water. After his
retirement in 1970, Crosthwait taught at Purdue University.
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. Cited: inventors.about.com
*Originally Posted May 23rd, 2013*
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