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why is he famous?

David Crosthwait is famous because he created a heating system in Radio City Music Hall and Rockefeller center. He is also famous for other things like refrigeration method, boiler, thermostat control, and vacuum pumps. On winter, without heating system you might get a cold. It is very important to have a heater in our house so we can be warm.

by Juan Ramón Guerrero.

Heating Systems

New York's Radio City Music Hall and Rockefeller Center

Thermostat Control

Instruction Manual Heating System

He use numbers in this manual

Mr. Crosthwait created the heating system in these buildings.

David Crosthwait Jr.

Mechanical and Electrical Engineer

1898-1976

David Crosthwait Jr

Famous African American

On May 27 ,1898 Mr. Crosthwait was born in Nashville

Tennessee, but he grow up in Kansas City. David was an

African American mechanical and electrical engineer, inventor and writer. Mr Crosthwait created different types heating systems, refrigeration methods, boiler, thermostat control. One of the most accomplishments were the heating system in New York's Radio City Music Hall and Rockefeller Center. He later wrote an instruction manual for heating and cooling systems that explains codes that dealt with heating, air conditioning. After his retirement Crosthwait began to teach a course on steam heating theory and control systems at Purdue University. , and He died in February 1976.

David Crosthwait Jr.

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