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Heliographs were used by military personnel, explorers, and surveyors to send messages via flashes of sunlight. They were particularly useful in remote areas where traditional forms of communication were not possible. Additionally, heliographs were used by weather observers to measure sunshine duration and by astronomers to conduct solar research.
What else can I help you with?
What is the use of acetal?
dilute ethanoic acid is used as a preservative in the preparation of pickles.it is used for making cellulose acetate which is an important artificial fibre.it is used in the manufacture of acetone and esters used in perfumes.it is used in the preparation of dyes.it is used to coaggulate rubber from latex.it is used for making white lead which is used as a white paint.it is used as a chemical reagent in chemistry lab.
How is visible light used in photography?
In much the same way as sound is used in music, food is used in cooking, and soil is used in agriculture.
What microscope is used for observing yeast mitochondria?
Light microscope cannot be used. An electron microscope houl b used
How is quicklime used?
it is used in motar and in cement
What are volcanoes used for?
volcanoes are used for nothing
How do the soldiers of World War 1 communicate during battle?
In trench warfare with field telephones, out and about with semaphore and heliographs
What did Joseph-nicephone neipce invent?
credited for producing the first successful photograph back in June-July of 1827. he called these "Heliographs".
What words begin with the word helio?
Words that start with the word helio: heliocentric. heliograph. heliographed. heliographic. heliographing. heliographs. heliolatries. heliolatrous. heliolatry. heliometer. heliometers. heliometric. heliometrically. helios. heliostat. heliostats. heliotrope. heliotropes. heliotropic. heliotropism. heliotropisms. heliozoan. heliozoans.
How did people commumicate before the telephone was invented?
Before the telephone, people used the telegraph to communicate rapidly over great distances. Before that communication over distance was less rapid and less frequently attempted.People used written letters and the Post Office, heliographs and watch towers to relay information, signal fires and smoke signals, bells, horns, bugles, bag pipes and drums in different circumstances.And they also traveled distances to talk to one another.
What was the exploration of Nevada?
Nevada was explored by native Americans and later by Jedediah Smith, Joseph Walker, Charles Fremont, Kit Carson, trappers of the Hudson Bay Company, and many others. in 1878, John Muir guided a party of the US Coast and Geodetic Survey measuring the Arc of the 39th Parallel across California, Nevada and Utah using heliographs placed on high mountain peaks.
Is thalidomide used to treat cancer?
it is used for cancer it is used for cancer it is used for cancer it is used for cancer it is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancerit is used for cancer it is used for cancer
What is Telecommunication?
"Telecommunication is the transmission of messages, over significant distances, for the purpose of communication. In earlier times, telecommunications involved the use of visual signals, such as beacons, smoke, semaphore telegraphs, signal flags, and optical heliographs, or audio messages via coded drumbeats, lung-blown horns, or sent by loud whistles, for example. In the modern age of electricity and electronics, telecommunications now also includes the use of electrical devices such as telegraphs, telephones, and teletypes, the use of radio and microwave communications, as well as fiber optics and their associated electronics, plus the use of the orbiting satellites and the internet..." - Wikipedia
When do you use are or is?
He is. She is. It is. They are. We are. You are. (I am).
What were Aboriginal tools mostly used for?
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Why save a file as html?
So that it can be used as a web page.So that it can be used as a web page.So that it can be used as a web page.So that it can be used as a web page.So that it can be used as a web page.So that it can be used as a web page.So that it can be used as a web page.So that it can be used as a web page.So that it can be used as a web page.So that it can be used as a web page.So that it can be used as a web page.
Is corel draw a computer language?
No. It is an application used for graphics.No. It is an application used for graphics.No. It is an application used for graphics.No. It is an application used for graphics.No. It is an application used for graphics.No. It is an application used for graphics.No. It is an application used for graphics.No. It is an application used for graphics.No. It is an application used for graphics.No. It is an application used for graphics.No. It is an application used for graphics.
What flammable gas used to be used in airships?
Hydrogen used to be used in airships.
