Related
Patent drawing - Drawing of an Inflatable Globe Public domain image
Резюме
This patent was designed by Gorham Dabbot.
Utility Patent Drawings
Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description
Известные патентные рисунки из Национального архива Вашингтона.
Теги
Дата
11/08/1868
Источник
The U.S. National Archives
Информация о правах
No known copyright restrictions
