One of two enlarged photographs showing the David Dunlap 74-inch Reflecting Telescope for the Toronto University Observatory at Richmond Hill. View from N.W. side of Polar axis.
- Object Number:
overall (estimate): 2 x 290 x 375 mm
- telescope - reflecting
- visual and verbal communication
- furnishing and equipment
- tools & equipment
- optical instrument
- Sir Howard Grubb, Parsons and Co.
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