Finding Aids

Frederick Orthlieb (1945?-) is a mechanical engineer, professor, and tradesperson who has rehabilitated, upgraded, and modernized historical telescopes. While the telescopes are obsolete for current research work, after rehabilitation they are capable of productive and effective use for familiarization, secondary and higher education, and institutional and public outreach. In this interview, Orthlieb talks about his career and work refurbishing telescopes.

The Trundle Engineering Company was an industrial engineering management consulting company based in Cleveland, Ohio. Clients would hire Trundle Engineering Company to perform studies on their organization or operating methods. One aspect of the business was the design and manufacture of custom machinery for increased efficiency. This album is a salesman sample photograph album providing an overview of inventions and technology developed by the Trundle Engineering Company. Machinery represented here includes spiral meat-cutting machine, matchbook cover book-cutting machine, traffic signal control boxes, spinning machine for making artificial silk, ice cream freezing machinery, remote control spotlight, and a golf ball center compression test machine.