L to R: Glenn Hawley, Rob Dick.

105 Regent Street, Toronto (rear view) as it appeared in 2010. (See also, front view.)

Bert Topham's first dome, Topham's Top, which he purchased second-hand and trucked across Toronto, was perched above the sunroom (see Scientific American, November 1937).

Photo courtesy of Lynn Kirk.

105 Regent Street, Toronto as it appeared in 2010.  John Pilkington and Bert Topham built this house.  Bert's first observatory, "Topham's Top," was perched above a sunroom at the rear of this house. Photo courtesy of Lynn Kirk. (See also, rear view.)

Regent Street runs parallel to Keele Street. 105 is on the east side of the street, north of Rogers Road.—WM