Astronomical Aspects

Library and Archives Canada: 35mm, 28mm, VHS.
"Footage of: Observatory Dome of the Dominion Meteorological Bureau in Toronto; interior of Dome, showing roof shutter doors opening, thus letting the sunlight stream in showing telescope in the foreground; man focusing telescope; part of telescope mechanism at work; pencil pointing to sun spots recorded on a reflector; man focusing telescope; Chronograph (this instrument records passage of the stars across the meridian); three shots of Seismograph which records earthquakes; recorded graph of the San Francisco earthquake, as it was registered in Toronto on April 18th, 1906; tho official clock at the Dominion Meteorological Bureau in Toronto, set at Standard Mean Time; shows man setting a magnetic clock which generates its own current and electrically controls 120 other clocks within a radius of 10 miles; and a chronograph which records the time from the master clock, showing the instrument at work."