I’ve found a book with instructions for French polishing and thought that somebody may find this interesting.
I found the title ‘French Polishing and Enamelling’ appealing ;-)
And it should pose no problem that the book is from 1910 ;-))
By the way, the picture comes from here.
Links:
French Polishing and Enamelling
Picture source
English Wikipedia entry for ‘French Polish’
German Wikipedia entry for ‘Schellackpolitur’