- A
heliograph (from
Ancient Gr**** ἥλιος (hḗlios) 'sun', and γράφειν (gráphein) 'to write') is a
solar telegraph system that
signals by
flashes of sunlight...
-
Heliograph is a word
derived from
helios (Gr**** Ἥλιος / ἥλιος "sun") and
graphein (γραφειν "to write"). It has
several uses: the
heliograph, a device...
- code. The most
extensive heliograph network established was in
Arizona and New
Mexico during the
Apache Wars. The
heliograph was
standard military equipment...
-
largest radio telescopes in the world. Long
established are also the
radio heliograph, a T-shaped array, and the
decametric array operating at
wavelengths between...
- On the
closures of GDW in 1995, the
rights returned to Chadwick, with
Heliograph, Inc.
acquiring a
reprint licence: 182 in 2000 and 2001. In 2010, the...
- and
navigation lights are used to
communicate navigation hazards. The
heliograph uses a
mirror to
reflect sunlight to a
distant observer. When a signaler...
-
communication in
daylight or
using lighted wands instead of flags, at night. A
heliograph is a semap**** that
signals by
flashes of
sunlight using a mirror, often...
- The
Gauribidanur Observatory has a 6-meter
radio telescope, a
radio heliograph, a high
resolution radio spectrograph and a
gravitational laboratory....
- View from the
Window at Le Gras (French:
Point de vue du Gras) is a
heliographic image and the
oldest surviving camera photograph. It was
created by French...
-
higher elevations,
nearer the peak of
Mount Graham.
Heliograph Peak was home to a 19th-century
heliograph station.
During General Nelson Miles' mid-1880s...
