Word: coils
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Dates: during 1930-1939
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Herr Groepler, a stolid individual whose profession forces him to lead a rather unsocial existence, left his cosy home in Magdeburg last week with a bag of tools and a coil of new rope. He took the train to the Prussian State Prison at Klingelpuetz, near Cologne. In the prison yard he disappeared into a dusty, dilapidated shed. Prisoners tense in their cells heard him hammering, hammering, filing metal all day long...
...Cracking." The Dubbs patents were based upon one type of a process of refining crude oil known as "cracking the molecules." The heavy oil is pumped through a steel-pipe coil, the interior of which is kept at about 900° F. heat and under great pressure. Dubbs's invention: making the oil compress itself. Suddenly this heated and compressed oil passes into an insulated chamber. There it breaks down into gasoline. The latest Dubbs "cracking" unit will convert 3,000 bbl. of oil per day, making 60% or more high-test antiknock motor fuel...
...work in the field of electricity not as a dilettante but as a common laborer. He had to discover almost everything that he wanted to know. Of his greatest discovery, which ultimately resulted in the electric generator, he wrote: ". . . had an iron ring made. . . . Wound it with many coils of copper wire, one-half of them being separated by twine and calico. When all was ready . . . the battery was communicated with [the end of one coil]. . . . The helix strongly attracted the needle of [a galvanometre...