-
Transit Circle (a
meridian transit circle).
Troughton afterwards abandoned the idea and
designed the
mural circle to take the
place of the
mural quadrant...
- A
mural crown (Latin:
corona muralis) is a
crown or
headpiece representing city walls, towers, or fortresses. In
classical antiquity, it was an emblem...
- catalogue,
Catalogue of Cir****polar Stars. The
advantage of a
transit circle over a
mural circle (which can
measure polar distances) is that it
allows measuring...
- firm
produced hundreds of
astronomical instruments such as
mural circles,
transit circles, ****tants, and
other astronomical instruments for observatories...
-
discovered the true
distance to α
Centauri by
analysing his many
astrometric mural circle observations. He then
realised this
system also
likely had a high proper...
-
frescoes helped establish the
mural movement in
Mexican and
international art.
Between 1922 and 1953,
Rivera painted murals in,
among other places, Mexico...
- into
observatories of the
meridian or
transit circle,
which combined the
transit and the
mural circle into one instrument. This had
already been done...
- to
observe the
return of Halley's
Comet that year. In 1837 the
Gambey mural circle was installed, and also a
transit instrument, also by Gambey. In 1857...
- with a
punctuality which astonished his contemporaries.
Before long a
mural circle was installed, and
regular observations were
instituted with it in 1833...
- main
positional devices were the
Troughton Transit instrument and a
mural circle, but
after George Biddell Airy took over as
Astronomer Royal in 1835...