- catherinae), a
flowering evergreen Messier 99, a
spiral galaxy that is also
known as St. Catherine's
Wheel Pinwheel (disambiguation) This disambiguation...
-
spider family Araneidae. They are the most
common group of
builders of
spiral wheel-shaped webs
often found in gardens, fields, and forests. The English...
-
Resources Management and Environment: 3.6.4 Coil and
Spiral Pumps -
Retrieved December 23, 2012
Spiral pump Ziegler, J. H. (1766). "Vorläufige
Anzeige eines...
- The
Archimedean spiral (also
known as Archimedes'
spiral, the
arithmetic spiral) is a
spiral named after the 3rd-century BC Gr****
mathematician Archimedes...
- In geometry, the
spiral of
Theodorus (also
called the
square root
spiral,
Pythagorean spiral, or Pythagoras's snail) is a
spiral composed of
right triangles...
-
whereas the
shape of a
spiral bevel gear is
normally conical. The
hypoid gear
places the
pinion off-axis to the
crown wheel (ring gear)
which allows...
-
pendulum clock. It is a
weighted wheel that
rotates back and forth,
being returned toward its
center position by a
spiral torsion spring,
known as the balance...
- list of
spirals includes named spirals that have been
described mathematically.
Mathematics portal Catherine wheel (firework) List of
spiral galaxies...
- The
Catherine wheel or
pinwheel is a type of
firework consisting either of a powder-filled
spiral tube, or an
angled rocket mounted with a pin through...
-
barred spiral galaxy is a
spiral galaxy with a
central bar-shaped
structure composed of stars. Bars are
found in
about two
thirds of all
spiral galaxies...
