heliograph उदाहरण वाक्य

उदाहरण वाक्य

1. By 1887, heliographs in use included not only the British Mance and Begbie heliographs, but also the American Grugan, Garner and Pursell heliographs.
2. By 1887, heliographs in use included not only the British Mance and Begbie heliographs, but also the American Grugan, Garner and Pursell heliographs.
3. By 1887, heliographs in use included not only the British Mance and Begbie heliographs, but also the American Grugan, Garner and Pursell heliographs.
4. The inventor of the heliograph, a similar instrument specialized for signaling, was inspired by observing the use of heliotropes in the survey of India.
5. Atop mountain peaks throughout southeastern Arizona and southwestern New Mexico, soldiers manned stations using mirrors, or heliographs, to flash messages across great distances.
6. The heyday of the heliograph was probably the Second Boer War in South Africa, where it was much used by both the British and the Boers.
7. Scott returns to the carriage with the young prince after spotting more rebel heliograph signals, but they are saved when Van Leyden is knocked off balance.
8. By the end of the month Skobelev had 4020 infantry, 750 cavalry as well as artillery, rockets, several machine guns and heliographs for communications.
9. After they had drifted for four days they sighted a submarine and used the reflective surface of a tobacco tin as a heliograph to attract her attention.
10. Those with an interest in science will like the heliograph, an astronomical telescope built in 1874 to observe and photograph the transition of Venus over the Sun.