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1
Monthly Notices of the Royal Astronomical Society
It had at first been intended to order a " Siderostatic Telescope " of the
construction indicated about a year ago by Mr. Grrubb, but as it was impossible at
the same time to procure a second instrument to observe the northern part of the
heavens ...
2
Victorian telescope makers: the lives and letters of Thomas ...
9.2 Siderostatic Telescopes For the Crawford Observatory, Cork, (Grubb 1880) a
new form of telescope had been designed, incorporating a tube that formed the
polar axis and was driven at the sidereal rate. The eyepiece was at the upper end
...
3
The Scientific Proceedings of the Royal Dublin Society
Another advantage which this arrangement lias is, that it will enable reflecting
telescopes to he sloped downwards, and used in such a siderostatic instrument
as that which Sir Howard Grubb made for Queen's College, Cork. To slope the ...
4
The Scientific Proceedings of the Royal Dublin Society
Another advantage which this arrangement has is, that it will enable reflecting
telescopes to be sloped downwards, and used in such a siderostatic instrument
as that which Sir Howard Grubb made for Queen's College, Cork. To slope the ...
Royal Dublin Society, 1898
Sir H. Grubb has a plied the same principle to the construction of a siderostatic
relii'actor. As compared with Dr. Steinheil's form, the equatorial 601ml' possesses
the great advantage of commanding every part of the sky, the arm of the ...
6
A Popular History of Astronomy During the Nineteenth Century
Professor Pickering sketched in 1881 a plan for fixing large refractors in a
permanently horizontal position, and reflecting into them, by means of a shifting
mirror, the objects desired to be observed.1 An instrument with " siderostatic "
mounting ...
... 207 infrared, 227 McMath Solar, 150 Newtonian, 254 pancratic, 211 panoramic
, 168 polar axis of, 228 resolving power of, 206 Ritchey-Chrétien, 257 siderostatic
, 150 space, 207 unit-power, 213 with stepped power changer, 322 INDEX.
pictures of the best things turned out from the Dublin workshops — the
Cambridge siderostatic equatorial, the twin equatorial as used by Dr. Huggins
and Dr. Roberts ; and of some not quite so recent — the Vienna 27-inch and the
Melbourne ...
9
THE SCIENTIFIC PROCEEDINGS
For this purpose the image of the sun was thrown on a sheet of white paper by
the siderostatic telescope, the image being about 6 inches in diameter : the
image of the planet was very distinct, and over one hundred individuals were
thus ...
ROYAL DUBLIN SOCIETY, 1885
10
The New Werner Twentieth Century Edition of the ...
362), Grubb describes a “siderostatic telescope,” Type E. which forms a good
elementary example of type E. In Fig. 31 TT is the tube of a telescope of 4-inches
aperture, which is mounted to rotate about its axis, ' the latter forming the polar
axis.
