Still kickin'!
Photo from Tyne & Wear Archives & Museums on flickr. From the flickr page: "No known copyright restrictions." That's a little unclear. I obtained permission (DS.GP.1919/1027) from the museum to copy this image.
See the Tyne & Wear archives & musuems web site for more information.
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Chris Vaughan and I discussed via Facebook this image. He pointed out the iris did not function correctly in the Canadian environmental conditions and was removed. The 74" mirror is not attached in this photo. It is normally enclosed in a cell and this is attached to the "back" or the bottom of the telescope. You can make out the bolt holes along the ring around the iris.
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