Axil Axil <janap...@gmail.com> wrote:
> Edison figured out how to create a pure vacuum in his bulbs. He did this > by heating up the bulb at the same time that he pumped out the air. He used > a Sprengle pump. > As I said, he improved the vacuum and much else, but I do not think that was the main claim in the patent. Granted, the patent language is obscure. It says something about United Santos and marinating the tuna: Bell; known that I, 'IJcm ALVA Enmon, of licnlo Pork in the Stone of New Jersey, United Santos oiAznes-lcm have lnvr-ntoil on 5 Improvement in Electric Lumps, and in the method mnnrnanring the tuna, (Que No. 86,) of which the following in n npccificaalon. http://www.google.com/patents/US223898 I believe the main claim was regarding "subdivision" as they called it then, which is to say running lights in parallel. - Jed
