telescope

H.A. Waddington

H.A. Waddington, 31 Gould Street, Toronto.  [early 1940s?]

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Wray Refractor

A.F. Miller's 4-inch refractor (manufactured by Wray & Co., London) in Boyd Brydon's observatory.

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Bert Topham Nov 1958 #2

Bert Topham at his Collingwood cottage in November 1958.  Photo courtesy of Lynn Kirk.

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Bert Topham Nov 1958

Bert Topham at his Collingwood cottage in November 1958. Photo courtesy of Lynn Kirk.

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Stewart Telescope

Telescope used by W.D. Stewart, Hamilton Centre; made in 1943 by Mr. Frank Sisman. (1944 Mar 28)

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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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Wadsworth Telescope

Dr. Wadsworth's 12½-inch reflector in Simcoe, Ontario.This photo was published in the RASC Selected Papers and Proceedings, 1902-03.

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Toronto Observatory Telescope

This photo was published in the RASC Selected Papers and Proceedings, 1902-03.

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Marsh Telescope #1

Interior view of Dr. Marsh's observatory showing the Brashear 5-inch telescope.This photo was published in the RASC Selected Papers and Proceedings, 1902-03.

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