Letters patent, 1898-1899
- Made:
- 1898-1899
[Letters patent, 1898-1899, of various countries granted to Ferdinand Fritz and The Daylight Incandescent Mantle Co, re burners for gas lighting by incandescence. 1 box]
[Letters patent, 1898-1899, of various countries granted to Ferdinand Fritz and The Daylight Incandescent Mantle Co, re burners for gas lighting by incandescence. 1 box]
