This engraving shows a lady with something like a theremin earpiece device. The same woman as in the 3/ but possibly a different artist. Note the similar hairstyle and different outfit.

Here the artist is Armand Kohl and someone called Gilbert who might have done the engraving

https://commons.wikimedia.org/wiki/File:Fig_53_Experimental_telephone_earpiece.jpg

#engraving #ArmandKohl #mastoart #art #artist #LineEngraving #publicdomain

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File:Fig 53 Experimental telephone earpiece.jpg - Wikimedia Commons