Ideas Just Come To Me

idea

F/ 10.0, 4.0, ISO 320.

Day 355 / 365

When the inventor of the drawing board messed things up, what did he go back to?

Interesting Fact: In addressing the question of who invented the incandescent lamp, historians Robert Friedel and Paul Israel[9] list 22 inventors of incandescent lamps prior to Joseph Swan and Thomas Edison. They conclude that Edison’s version was able to outstrip the others because of a combination of three factors: an effective incandescent material, a higher vacuum than others were able to achieve (by use of the Sprengel pump) and a high resistance that made power distribution from a centralized source economically viable. ( https://en.wikipedia.org/wiki/Incandescent_light_bulb#Early_pre-commercial_research )

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