An engraved plate titled 'Paulmerie', extracted from Denis Diderot and Jean Le Rond d'Alembert's Encyclopedie ou Dictionnaire raisonne des sciences, d

An engraved plate titled 'Paulmerie', extracted from Denis Diderot and Jean Le Rond d'Alembert's Encyclopedie ou Dictionnaire raisonne des sciences, des arts et des metiers, circa 1767, large paper folio version, this plate sub-titled JEU DEPAULME ET CONSTRUCTION DE LA RAQUETTE, mounted, framed & glazed, overall 47 by 34cm.; sold together with a small hand-coloured print ''Tennis Court'', plate No.2151 from Commenius's Orbis Sensualim Pictus, mounted, framed & glazed, overall 21.5 by 23cm. (2)