Search
- Motor Controller Used at the Yerkes Observatory, Williams Bay, Wisconsin, circa 1897 - Yerkes Observatory in Williams Bay, Wisconsin is known as the birthplace of modern physics for the volume and importance of research conducted there. It is also home to the world's largest refracting telescope. When it opened in 1897, the observatory included an adjustable floor and a rotating dome, governed by motor controllers made by Chicago-based Cutler-Hammer Manufacturing Company.

- circa 1897
- Collections - Artifact
Motor Controller Used at the Yerkes Observatory, Williams Bay, Wisconsin, circa 1897
Yerkes Observatory in Williams Bay, Wisconsin is known as the birthplace of modern physics for the volume and importance of research conducted there. It is also home to the world's largest refracting telescope. When it opened in 1897, the observatory included an adjustable floor and a rotating dome, governed by motor controllers made by Chicago-based Cutler-Hammer Manufacturing Company.
- Motor Controller Used at the Yerkes Observatory, Williams Bay, Wisconsin, circa 1897 - Yerkes Observatory in Williams Bay, Wisconsin is known as the birthplace of modern physics for the volume and importance of research conducted there. It is also home to the world's largest refracting telescope. When it opened in 1897, the observatory included an adjustable floor and a rotating dome, governed by motor controllers made by Chicago-based Cutler-Hammer Manufacturing Company.

- circa 1897
- Collections - Artifact
Motor Controller Used at the Yerkes Observatory, Williams Bay, Wisconsin, circa 1897
Yerkes Observatory in Williams Bay, Wisconsin is known as the birthplace of modern physics for the volume and importance of research conducted there. It is also home to the world's largest refracting telescope. When it opened in 1897, the observatory included an adjustable floor and a rotating dome, governed by motor controllers made by Chicago-based Cutler-Hammer Manufacturing Company.
- Motor Controllers for the Telescope at the Yerkes Observatory, Williams Bay, Wisconsin, 1932 - Yerkes Observatory in Williams Bay, Wisconsin is known as the birthplace of modern physics for the volume and importance of research conducted there. It is also home to the world's largest refracting telescope. When it opened in 1897, the observatory included an adjustable floor and a rotating dome, governed by motor controllers made by Chicago-based Cutler-Hammer Manufacturing Company.

- October 14, 1932
- Collections - Artifact
Motor Controllers for the Telescope at the Yerkes Observatory, Williams Bay, Wisconsin, 1932
Yerkes Observatory in Williams Bay, Wisconsin is known as the birthplace of modern physics for the volume and importance of research conducted there. It is also home to the world's largest refracting telescope. When it opened in 1897, the observatory included an adjustable floor and a rotating dome, governed by motor controllers made by Chicago-based Cutler-Hammer Manufacturing Company.