-
formed image directly. This "front view"
design has come to be
called the
Herschelian telescope.: 7 The
creation of larger,
symmetrical mirrors was extremely...
-
optical axis,
commonly called off-axis
optical systems.
Light paths The
Herschelian reflector is
named after William Herschel, who used this
design to build...
-
speculum metal diagonal mirror. This
design has come to be
called a
Herschelian telescope.
Access to the
observer position was by
ladders - although...
-
telescope Ritchey–Chrétien
telescope Crossed Dragone Gregorian telescope Herschelian telescope Liquid mirror telescope Newtonian telescope Dobsonian telescope...
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debased heraldry,
including the non-heraldic
complex feature of his
Herschelian telescope Notoriously debased crest of
Tetlow (1760), with the Lord's...
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placing the
secondary mirror off-axis.
Early off-axis
designs such as the
Herschelian and the
Schiefspiegler telescopes have
serious limitations such as astigmatism...
-
innovation was not
published until 1827, so this type came to be
called the
Herschelian telescope after a
similar design by
William Herschel.
About the year...
- has
become ****ociated with a
similar design by
William Herschel, the
Herschelian telescope. In 1759, with his collaborator,
academician Joseph Adam Braun...
- L-band
services to
mobile 3G+
users and
armed forces via a
deployable 22m
Herschelian antenna dish with RF transceivers. It also has a 2m Ku-band dish of fixed...
- One
instrument is on
display in the
Deutsches Museum in Munich. His
herschelian telescope was
acquired in 1812 by the
Neapolitan astronomer, Federigo...