Should I take?

[тандем]

Сообщение от Boris Cohn

Well, thank you , tandem , very you coaxed.
So speak - Photogravure ?
Really, maybe !
I held her in my hands, but did not understand.
Once heliograph , therefore - the end of nineteenth and beginning of the 20th.
And what do you think about my "Port Royal" ?
I hope this is not an "early copier "?

On the presented engraving depicts theatrical scenery author is an Italian artist and designer Giuseppe Galli Bibiena ( 5 January 1696 Parma - 12 March 1757 Berlin). Who is the author of engraving look in the lower right corner.
About "early photocopier " read here http://dic.academic.ru/dic.nsf/es/80022/КСЕРОКС
and next time do not have to show their ignorance and inertia .