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Millions of people all over the world are being fooled by non-existing electrons.[Eds pamphlet about Electrons]
This is why electrons are said to have a negative charge: because Franklin assumed electric charge moved in the opposite direction that it actually does, and so objects he called “negative” (representing a deficiency of charge) actually have a surplus of electrons.
By the time the true direction of electron flow was discovered, the nomenclature of “positive” and “negative” had already been so well established in the scientific community that no effort was made to change it.
This direct method is more reliable than the tricky method in the vacuum tube. The trouble with physicists is they use indirect and ultra-indirect methods to come up with their conclusions.[Eds pamphlet about Electrons]
Well now the Edit post is not working
Gardener said:...and that's all there is to it...
...and that's all there is to it...
Franklin’s nomenclature of electric charge was too well established to be easily changed, and so it remains to this day. 
Benjamin Franklin, came to the conclusion that there was only one fluid exchanged between rubbed objects, and that the two different “charges” were nothing more than either an excess or a deficiency of that one fluid. 
By the time the true nature of electric “fluid” was discovered, Franklin’s nomenclature of electric charge was too well established to be easily changed, and so it remains to this day. 
Electronics is the study of flow of electrons in various materials or space subjected to various conditions. In the past, electronics dealt with the study of Vacuum Tubes or Thermionic valves, today it mainly deals with flow of electrons in semiconductors. 
( Have in mind that always there are two currents, one current alone cannot run. To run they have to run one against the other.) Page 11