Term Gallery logo

Significats de use the heliograph en anglès

Encara no tenim significats per a "use the heliograph".
Ús de use the heliograph en anglès
1
These lookouts now have telephones, but until last summer they used the heliograph instead.
Tenting To-night / A Chronicle of Sport and Adventure in Glacier...
2
He therefore used the heliograph, and with it flashed the news to the Spanish stations on the Canto River, asking that reinforcements be sent him.
The Great Round World and What Is Going On In It, Vol. 1, No. 47...