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Harry C. Rippel papers
Collection
Identifier: MC-00-088
Abstract
Harry Conrad Rippel (1926-2004) worked as a principal engineer at Franklin Institute Research Laboratory from 1952 to 1984 and was a leading authority on tribology, the study of friction, wear, lubrication, and the design of bearings. He studied mechanical engineering at Drexel Institute of Technology, graduating with a bachelor’s degree in 1952 and then a master’s degree in 1957. This collection contains the academic, professional, and personal papers of Mr. Rippel, spanning from 1943-2004,...
Dates:
1943-2004; Majority of material found within 1952 - 1984
Found in:
Drexel University Archives
John J. Nesbitt, Inc. and family records
Collection
Identifier: MC-00-063
Abstract
Albert J. Nesbitt was the first child of John J. Nesbitt, the founder of John J. Nesbitt, Inc., which manufactured heating and ventilating units for schools in the early twentieth century. In 1941, Albert became the president of the company after his father's death. The company continued producing heating and cooling elements for schools. During World War II, the company devoted their facilities to produce munitions for the Philadelphia Ordinance District for which they were awarded four...
Dates:
1910s-1970s
Found in:
Drexel University Archives
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- Annual reports 1
- Bearings (Machinery) -- Design and construction 1
- Black-and-white photographs. 1
- Brochures 1
- College trustees 1
- Color photographs 1
- Correspondence 1
- Diplomas 1
- Drexel Institute of Technology 1
- Drexel Institute of Technology -- Alumni and alumnae 1
- Drexel Institute of Technology -- History 1
- Drexel University -- History 1
- Heating and ventilation industry 1
- Machinery -- Periodicals 1
- Philadelphia (Pa.) 1
- Photographs 1
- Research and development projects 1
- Research notes 1
- School buildings -- Heating and ventilation. 1
- Sliding friction 1 ∧ less
- Names
- American Society of Mechanical Engineers 1
- Drexel Institute of Technology 1
- Drexel University. Nesbitt College of Design Arts 1
- Franklin Institute (Philadelphia, Pa.). Research Laboratories 1
- George Moll Advertising Agency (Philadelphia, Pa.) 1
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