A Remembrance of the Famous Painting ‘The Doctor’ by Sir Like Fildes. [1934 Chicago World’s Fair]
Souvenir from the Petrolagar Exhibit in the Hall of Science at the 1934 Century of Progress, Chicago World’s Fair.Petrolagar (Deshell) trademark : a perfect emulsion of pure medicinal liquid paraffin with agar-agar which has given uniformly successful results in the treatment of constipation : for the medical profession only /.....