-
three in four
people are able to use a
unilens.
Prolonged use is
furthermore tiring to the eye and thus a
unilens is
mainly suited for
occasional or intermittent...
-
telescope Keplerian Telescope Aerial telescope Superachromat Baden-Powell's
unilens Reflecting telescopes (Catoptrics) C****egrain
telescope Dall–Kirkham telescope...
- sungl****es
Windsor gl****es Adjustable-focus eyegl****es Baden-Powell's
unilens Eye
examination Eyegl****
prescription History of
optics X-ray
vision Plurale...
- Sof-form II, SofLens, SofLens38,
SofLens Multi-Focal, Softics, SoftView,
Unilens 38,
Westhin Toric,
EZvue Soft
Contact Lens,
Solotica Hioxifilcon B 49 15...
-
miniseries The Edwardians.
Scouting portal Biography portal Baden-Powell's
unilens List of
Scouting memorials Chapter 8, end of
first paragraph, "Window on...
- 24.6 in)
Lowell Observatory (61 cm or 24 in)
Astrograph Baden-Powell's
unilens Catadioptric telescopes List of
largest optical refracting telescopes List...
-
signals were developed. The
first such product,
marketed in 1968 as the "
Unilens" by Safetran, uses
fiber optics to
concentrate the
output of up to four...
