Motor Controllers for the Telescope at the Yerkes Observatory, Williams Bay, Wisconsin, 1932

Material

Paper (Fiber product)

Technique

Gelatin silver process

Color

Black-and-white (Colors)

Dimensions

Height: 7.5 in

Width: 6 in

Motor Controller Used at the Yerkes Observatory, W...

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Motor Controller Used at the Yerkes Observatory, W...

Details

Correspondence Regarding Donation of Yerkes Observ...

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