well i can tell you the engravings in these paterns are not simple in any way . the size also of these items are very small making the engraving I would think even a greater challabe for the time period
Quote:
The Boucher engraving is in fact an etching.
Etchings are often refered to as engravings.
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were not some even burns of a sorts . I seem to recall reading of an very early type of photograph that was also called an engraving but used a light source in a way to burn the plate .
but your point is well taken