1,101,533
3
plane passing through said transmitting antenna.
5. In a system of wireless telegraphy, a substantially horizontal transmitting antenna and a substantially horizontal receiving 230antenna, said antennæ lying in substantially the same vertical plane.
In testimony whereof, I have hereunto subscribed my name this 11th day of June 1906.
Lee de Forest.
- Witnesses:
- A. H. Hood,
- D. S. Tovell.
