Amateur Telescope Making by Albert G. Ingalls

By Albert G. Ingalls

Definitive publication on beginner telescope making. includes plans and concept on numerous kinds. matters lined: Newtonian Telescope reflect Making; Optical checking out; Workshop knowledge; and Observatory constructions.

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Electricity crackles. A man hunches over a laboratory bench, a crazed look in his eyes. This is the classic image of a mad scientist—a pale-skinned, sleep-deprived man toiling away in a lab full of strange machinery, delving into nature’s most forbidden and dreadful secrets. In the popular imagination, no one embodies this image better than Victor Frankenstein, the titular character of Mary Shelley’s 1818 novel. Gathering material from charnel houses and graves, he created an abomination—a living monster pieced together from the body parts of the dead.

Only then did he crack open the skull and reveal the brain. It took hours. As he worked, he puffed on a pipe and chatted about current affairs, as though he were chiseling away at a piece of wood instead of a living creature. The brain sat motionless on the stand, a gray mass of tissue. Only by its electrical activity—the blips of an EEG trace—could one tell it was alive and thinking. After a couple of hours, having done what he set out to do, White switched off its blood supply. It took three minutes for the brain to die.

If he’s right, eventually the public will have to get its head around the idea. CHAPTER TWO Sensorama Morton Heilig’s Sensorama, built in 1957, was the first fully immersive virtual reality machine. Users sat on a vibrating seat as they viewed 3-D movies. Fans blew wind through their hair; speakers played simulated road sounds; and canisters sprayed the scents of fresh-cut grass and flowers into the air around them. All of this created the illusion users were riding through the countryside on a motorcycle.

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