heliogravure's Usage Examples:

The Specialkarte of Austria-Hungary on a scale of r:75,000 (765 sheets), based upon a triangulation and cadastral surveys (1816-1867), was completed in 1889, and published in heliogravure.

Another process, photoor heliogravure, for obtaining an engraved image on a copper plate, was for the first time employed on a large scale for producing a new topographical map of the Austrian Empire in 718 sheets, on a scale of I: 75,000, which was completed in seventeen years (1873-1890).

Topographical surveys are gradually extending, and explorers of recent years are better trained for their work than they were a generation ago, whilst technical processes of recent invention - such as lithography, photography and heliogravure - facilitate or expedite the completion of his task.

Synonyms:

gravure, print, photogravure,

Antonyms:

unavailability, inaccessibility,