@en|Scanning of a December 12, 1931 [[Waterman]] advertising featuring all models of that time. Published on ''Collier's, The National Weekly''. Retouched by the author for a better sharpness. Date on the sheet back. | @en|Scanning of a December 12, 1931 [[Waterman]] advertising featuring all models of that time. Published on ''Collier's, The National Weekly''. Retouched by the author for a better sharpness. Date on the sheet back. |