The dry point must be ground with flat faces rather than round, so as to cut the copper, and penetrate it with ease.
A "dry point" plate is produced by drawing on a copper plate with a steel or diamond point, and without biting by acid.
Before this Alfred Vail had perfected his telegraph code of alphabetical signs, with his dry point reading register and relay key.
"Mr. Delamayn consulted me on a dry point of law, in which a friend of his was interested," said Sir Patrick.
The dry point is held in a perpendicular position, and is used on the bare copper.
A grizzly bear that I followed one day, paused on a dry point in a park to dig out some mice.
The dry point is not only used for retouching; it is sometimes employed, without any etching, to put in the whole background.
In stipple engraving, the burin and the dry point are used alternately, according to the degree of vigour or delicacy required.
On the other hand, the difference in the appearance of etched lines and dry point work produces curious effects.
It is better to use the dry point, which has more affinity to the processes natural to etching.