heliograph वाक्य

उदाहरण वाक्य

1. The designer described the Solar Beacon as a " heliostat ", not a " heliograph ".
2. In open warfare, visual signalling ( employing signal flags and the heliograph ) was the norm.
3. The handy discs can also be used as impromptu heliographs to signal your forces trapped behind federal lines.
4. The heliograph uses a mirror to Naval ships often use signal lamps and Morse code in a similar way.
5. However there is little evidence that " heliograph " here is other than a misspelling of " holograph ".
6. The Grugan and Pursell heliographs used shutters, and the others used movable mirrors operated by a finger key.
7. The next day a heliograph was spotted signalling from Fort Pearson and a makeshift apparatus allowed Eshowe to reply.
8. This high point was used by the U . S . Army in the 1880s as a heliograph station.
9. The Spanish garrison at Igueriben was cut off, but could communicate with the fort at Annual via heliograph.
10. Other historical exhibits included five heliographs by Ni�pce with modern photographers such as Captain Thomas Honywood also being present.