Yerkes Observatory in Williams Bay, Wisconsin boast a telescope that was once the world's largest: 43 foot high (50 ton) mounting, polar and the declination axis (5 tons), driving gear (20 tons) and 60 feet long telescope tube (6 tons). Yerkes Observatory is open for free public tours every Saturday throughout the year. Programs begin at 10:00 am, 11:00 am and Noon. - AsNotedIn
| Y/M/D | Person | Association | Description | Composition | Food | Event |
|---|---|---|---|---|---|---|
| Y/M/D | Person | Association | Description | Composition | Food | Event |
| 1892/09/00 | Goerge Ellery Hale | Significant name | At the Powers Hotel in Rochester, NY, Alvan G Clark sells George Hale two 42-inch diameter, optically perfect, disks of glass. | |||
| 1893/05/00 | Yerkes Observatory's unfinished telescope, 43 feet high (50 tons) mounting, polar and the declination axis (5 tons), driving gear (20 tons), 60 feet long telescope tube (6 tons) are exhibited at the World Columbian Exposition. | World's Columbian Exposition in Chicago | ||||
| 1897/10/21 | Charles T Yerkes | Benefactor | Yerkes Observatory opens, built for $349000, funded by Charles T Yerkes | |||
| 1905/00/00 | Olmsted Brothers | Landscape Architects | As a member of the "tree committee" for the Yerkes Observatory in Williams Bay, Ryerson is instrumental in obtaining the services of the Olmsted Brothers landscape firm to design the observatory grounds. | |||
| 1905/00/00 | Martin A Ryerson | Member | As a member of the "tree committee" for the Yerkes Observatory in Williams Bay, Ryerson is instrumental in obtaining the services of the Olmsted Brothers landscape firm to design the observatory grounds. | |||
| 1921/05/06 | Albert Einstein | Visitor | Albert Einstein visits with Yerkes' staff in front of the observatory's refractory telescope. |
| Particulars for Yerkes Observatory: | |
|---|---|
| Building Type | Astronomical Observatory |
| Science | Astronomy |
| Sight Category | Building |
| Activity | |
|---|---|
| Activity Category | Tour |
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