telescope

Mercury Transit 1940

Victoria Centre members preparing for the transit of Mercury on 1940 November 11.

Observers:  Stilwell, Wright, Everall, Mrs. Ley, Miss Humeston, Shaw.

Telescopes: Hopkins, Shaw, DAO, Peters.

Photograph by L. Hopkins. Original print at DDO. Published in JRASC, 35, 1 (1941).

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Stellafane 1948

Stellafane, August 1948. Mr. A.V. Whipple's prize-winning telescope. F. de Kinder, the two judges, Mr. & Mrs. Whipple.

Sent by Louie Bernstein, Montreal Centre.

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Early Star Party #3

The refracting telescope at left survives, and is resident in the Society's national office in Toronto.

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Early Star Party #2

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C.H. Clark Scope

Lethbridge, 1960 Sept 27.

Homemade Equatorial with Mrs. Clark in charge.

The setting circles are made from sheet aluminum. The gears are steel worm and gears made from sheet brass held in contact by spring tension.

Good seeing,

CHC

CH Clark

1788-10th Ave. S., Alta.

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ToV Reflector with Heliometer 1760s-1770s

The Heliometer was a split-image micrometer which fit on the objective end of a telescope. It was used to measure angles. It was pretty much the most advanced such instrument for measuring angles at the time of the 1761 and 1769 transits of Venus. Image courtesy of Specula astronomica minima (©Specula astronomica minima).

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Early Star Party

On the lawn of Mr. D.J. Howell, Lambton Mills, Ont. (About 1900).

L to R: Z.M. Collins (with hat on), Visitor, A. Horton, A. Elvins (in front), W.B. Musson, Visitor, Miss M.A. Howell, Mrs. Musson, Mrs. Webber, J. Webber, Miss McEachren (in white), J.E. Maybee, J.A. Paterson, D.J. Howell (side view), Miss Eva C. Howell, G.G. Pursey (blurred).

Published in JRASC, 25, 233 (1931).

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Wadsworth Telescope

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Toronto Observatory Telescope

This photo was published in the RASC Selected Papers and Proceedings, 1902-03. Information was given on pp.57-58:

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Marsh Telescope #1

Interior view of Dr. Marsh's observatory showing the Brashear 5-inch telescope.

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