- Look up
plano-
convex in Wiktionary, the free dictionary.
Plano-
convex may
refer to:
Plano-
convex lens, in
optics Plano-
convex, a type of
mudbrick used...
- and 13th
century "reading stones" were invented.
These were
primitive plano-
convex lenses initially made by
cutting a gl****
sphere in half. The medieval...
-
during the
Akkadian period. The
Plano-
convex building was a
fortified construction built extensively with
plano-
convex bricks. It displa**** the socio-economic...
-
Plano-
convex ingots are
lumps of
metal with a flat or
slightly concave top and a
convex base. They are sometimes, misleadingly,
referred to as bun ingots...
- entrance. Both the temple-building and the oval wall were
built with
plano-
convex mud bricks,
which was a very
common material up to the late
Early Dynastic...
- "Opticks"
published in 1704. The
pattern is
created by
placing a very
slightly convex curved gl**** on an
optical flat gl****. The two
pieces of gl**** make contact...
- hit, a
lithic flake separates from the
lithic core with a
distinctive plano-
convex profile and with all of its
edges sharpened by the
earlier trimming work...
- 4-element
orthoscopic eyepiece consists of a
plano-
convex singlet eye lens and a
cemented convex-
convex triplet field lens
achromatic field lens. This...
- Enki Temple, Ur III
Ziggurat (É-u₆-nir)
Sacred Area,
Early Dynastic plano-
convex bricks found,
Ubaid Period cemetery Mound 2 - 350
meters x 350 meters...
-
reflector or an
ellipsoidal reflector with a lens
train containing two
plano-
convex lenses or a
single step lens. The carbon-arc
source was so
bright that...
