In Vol. III, Semiconductors, Amplifiers and Active Devices, From Electric to Electronic, in the first sentence after the figure, the "w" in "wireless" should be capitalized since "Marconi Wireless" is short for "Marconi Wireless Telegraph Company".

 

Thanks for point out the error. I have made the following change from:

By 1904 Marconi wireless company adviser John Flemming found that an externally applied current (plate battery) only passed in one direction from filament to plate....

to:

By 1904 Marconi Wireless Company adviser John Flemming found that an externally applied current (plate battery) only passed in one direction from filament to plate....

at ibiblio.org