h ha hb hc hd he hf hg hh hi hl hm ho hp hq hr hs ht hu hw hy hz

Перевод: heliograph

[существительное]
гелиограф ; гелиогравюра

Тезаурус:

1. Signals were still largely a matter of horsed despatch-riders and flags; the heliograph and electric telegraph were the only important additions to the repertoire at Napoleon's disposal.
2. and the heliograph sea.
3. "Heliograph."
4. The speed at which the station lights flashed by was diminishing fast, like some faltering heliograph whose meaning Harry could not discern.