Beschriftung/Aufschrift
Joseph Wright pinxit. [Maler];
Valentine Green del & fecit. [Signatur];
A PHILOSOPHER SHEWING AN EXPERIMENT ON THE AIR PUMP. From the Original Picture, Painted by Mr,, Joseph Wright.;
J. Boydell excudit 1769.; Published June 24th. 1769. [Datierung der Veröffentlichung, Verlegeradresse]