Display:

L'Échec de la Loi de Réciprocité en Photographie Astronomique

Failure of the Reciprocity Law in Astronomical Photography

Jessie Ketchum (in checked suit).

Displays: "Have you found a meteorite?" and a model of the 48-inch reflecting telescope.

MODEL OF

48-INCH RELECTING TELESCOPE

Dominion Astrophysical Observatory, Victoria, B.C.

Telescope built and erected in 1961 by

Grubb Parsons Co. Newcastle Upon Tyne England

David Zackon.

Jack Grant (beard) and M.M. Thomson.