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- Title
The taxonomy of mountings.
- Authors
Arditti, David
- Abstract
It can be made more efficient: this ings and the telescope between, but out of line to hear from members who are still using any was achieved by Porter in his split-ring design with, the declination bearings. less-common designs that they have either in- (sometimes confused with the 42...v~~ H-""","~ The remaining possibility is herited from elsewhere, or realised themselves. horseshoe in the literature), *4:115 ---'5101;2*: ' to put the declination axis bewhere the declination bear- i, 4'~~, tween the polar bearings, but ings and telescope centre of ~-' e! The T-shaped construction puts both the telescope enough, really requiring a ~ J ~ cross-axis gives a view of the weight outside the declination bearings and the gigantic lathe. Notes & News .~ PA Equipment & Techniques Section PA /9\ The taxonomy of mountings I. I. I ~~~ David Arditti and it does not usually allow the ..=w LO ... -DA DA 41*Fl Director telescope to track through 360' German mounting Fork mountjng without a reversal (the so-called etting questions for the meridian tlip) However, it has the, journal Christmas Quiz, advantage of whole-sky accessi- ' PA W for which I came up with a bility (given perfect construction: DA, teaser about mountings whose in practice the actual polar point names suggested animals (see 131(1). p. 19), may not be accessible) set me thinking about how, iii the no-so-distant In contrast, the yoke or Engpast, one encountered a large variety of equa- lish design (probably invented» torial mount designs in the hands of' amateurs, by Jesse Ramsden for the Shuck- CW.. -DA often ingeniously self-built and sometimes out burgh telescope in Warwickshire),,, 1, of improbable components.
- Subjects
ANIMAL diversity; TAXONOMY; NATURAL gas pipelines; ASTRONOMICAL observations
- Publication
Journal of the British Astronomical Association, 2021, Vol 131, Issue 2, p79
- ISSN
0007-0297
- Publication type
Article