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Melanie Long

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400. Melanie Long 1
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last 3 solved tasks
If acc90 - 5ccc3 = b00ba find number abc. Multiple solutions may exist.

Electric motor

In 1904, the first direct current, interpole, electric motor to be patented in the U.S. was issued to Mathias Pfatischer of Phildadelphia, Pennsylvania under the title "Variable Speed Motor" (No.775,310). His improvement was to "effect commutation without sparking, with a variable load as well as at variable speed and which is capable of rotation in either direction." The new design added auxiliary-field pole-pieces which were small as compared to the main pole-pieces.«

Degrees

The graduate with a science degree asks,
'Why does it work?'

The graduate with an engineering degree asks,
'How does it work?'

The graduate with an accounting degree asks,
'How much will it cost?'

The graduate with a liberal arts degree asks,
'Do you want fries with that?'

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