The dome of a large telescope is being built by Charles Parsons and Co.
Unused / unissued material - no paperwork - dates unclear or unknown.
Shots of the construction of an observatory dome for Toronto. It appears to being built in Charles Parsons factory in Newcastle-on-Tyne. The dome is on a turntable and is turning round. Closer shots of men working on the framework of the dome. Close shots of the winding gear that will move the telescope around.