Saluting hat patent,1896. Artwork of a saluting device invented by James C. Boyle. The mechanical device was designed to raise the hat above the head in polite salutation when the wearer bows,without the need for his hands | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / US Patent And Trademark Office |
Taille de l’image : | 3619 px × 4875 px |
Model Release : | Non requis |
Restrictions : | - |