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Peter Dalton of Hinsdale operates the harmonograph he built to draw intricate designs and illustrate math concepts, such as ratio. In the background is the flight simulator he built for neighborhood children to play with.
Close-up of Catherine Edwards working the harmonograph at TedXUofM. | Photo submitted by Aimee Xia
Peter Dalton of Hinsdale explains how the harmonograph works with Catherine Edwards to his left at the TedXUofM April 5. | Submitted photo by Jane Van Velden
A harmonogram produced by a harmonograph built by Hinsdale resident Peter Dalton and Catherine Edwards for a conference at the University of Michigan. | Submitted photo by Catherine Edwards
Peter Dalton of Hinsdale shows one of the drawings he made with his harmonograph, a device he built for his next-door neighbor to exhibit at a college conference she was organizing. | Kimberly Fornek—Sun-Times Media
Peter Dalton of Hinsdale made this miniature cockpit for children to use as a flight simulator. It includes lights that work, bells that ring and countless switches. | Kimberly Fornek—Sun-Times Media
Peter Dalton of Hinsdale operates the harmonograph he built. The device creates intricate designs and illustrates scientific principles, like ratios and mechanical engineering. | Kimberly Fornek—Sun-Times Media
HINSDALE — Peter Dalton is the kind of neighbor most families can only dream about. He has entertained children on his block in Hinsdale for years with projects, such as a homemade flight simulator and push cars, and was more than a little helpful with … Read More
